Driving route · Canada

Route from Cornwall to Sainte-Marthe-sur-le-Lac

Interactive map, distance, and indicative drive time for the route from Cornwall to Sainte-Marthe-sur-le-Lac — with the live planner for up-to-date turn-by-turn directions.

This page provides the map and indicative distance data for the route between Cornwall (Ontario) and Sainte-Marthe-sur-le-Lac (Quebec). Use the live planner below to get up-to-date driving directions by car, on foot, or by bicycle.

Distance from Cornwall to Sainte-Marthe-sur-le-Lac

The straight-line distance between Cornwall and Sainte-Marthe-sur-le-Lac is 84.5 km. The estimated road distance by car is around 101 km, with an indicative drive time of 1 h 8 min.

Straight-line distance 84.5 km
Estimated road distance ~101 km
Indicative drive time 1 h 8 min
Note: values are approximate estimates. Road distance is calculated by multiplying the straight-line distance by a road-deviation factor (1.13–1.30 based on length). Drive time assumes ~90 km/h average. Real traffic, tolls, and conditions can vary significantly. Use the live planner for current data.

Trip cost and route type: Cornwall – Sainte-Marthe-sur-le-Lac

Route type Medium

Medium-distance route (100–300 km) — plan a stop and check fuel before departure.

Indicative fuel cost $11–$15

Estimate: ~101 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Cornwall to Sainte-Marthe-sur-le-Lac

The map shows the locations of Cornwall (A) and Sainte-Marthe-sur-le-Lac (B). Use the form below to calculate the up-to-date road route with turn-by-turn directions, real distance, and estimated drive time.

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Prefer another app? Open in Google Maps ↗

Driving directions from Cornwall to Sainte-Marthe-sur-le-Lac

Real distance: 103.7 km  ·  Estimated time: 2 h 26 min

🗓 Calculated on June 4, 2026
  1. Drive north. 10 m
  2. Turn left. 76 m
  3. Turn right onto Ninth Street West. 776 m
  4. Turn right onto Brookdale Avenue. 3.1 km
  5. Take the 401 East ramp toward Montreal. 66.2 km
  6. Take exit 29 onto 40 toward Ottawa/Gatineau/Montréal. 887 m
  7. Keep left to take 40 toward Ottawa/Gatineau/Montréal. 4.9 km
  8. Take exit 1 onto 40 Ouest/417 toward Ferry Hudson Oka/Ottawa/Gatineau. 6.0 km
  9. Take exit 28 onto 342 toward Hudson. 403 m
  10. Keep right to take 342 toward Hudson. 1.6 km
  11. Turn right onto Rue Bellevue. 1.6 km
  12. Turn right onto Rue Main/Main Street. 55 m

Standard car route without avoiding highways. For advanced options (motorcycle, bicycle, transit, avoid tolls) use the live planner above.

Estimate trip cost: Cornwall – Sainte-Marthe-sur-le-Lac

Litres estimated
Fuel cost
Toll estimate
Total estimate
Range ±15%

Indicative estimates based on ~101 km. Tolls calculated at ~$0.10/km on tolled segments. The calculator updates with the live planner's real distance. Actual consumption, driving style, weather, and toll rates vary.

Origin and destination

Origin

Cornwall

Ontario · 45.02750, -74.74000

Cornwall sits in eastern Ontario on the north bank of the St. Lawrence River and serves as a compact regional centre for drivers working within the river valley corridor. With a population of about 47,845, the city is…

Destination

Sainte-Marthe-sur-le-Lac

Quebec · 45.53000, -73.93000

Sainte-Marthe-sur-le-Lac sits on the northern shore of the Lake of Two Mountains, northwest of Montreal within Quebec. On maps it appears as a lakeside suburban community on the metropolitan fringe, where residential…

How to drive from Cornwall to Sainte-Marthe-sur-le-Lac

The straight-line distance between Cornwall (Ontario) and Sainte-Marthe-sur-le-Lac (Quebec) is about 84.5 km. The actual road distance varies by chosen route, road type, and travel conditions — especially in winter and across mountain or northern segments.

Before you leave, consider:

  • Check current traffic with a navigation app — particularly around major cities.
  • Look up any toll segments on your route (Ontario 407, select bridges).
  • In winter or at higher elevations, drive times and conditions can change quickly. Carry a charged phone, fuel reserve, and weather-appropriate gear.
  • Plan stops at service centres or towns along the way — fuel and rest stops can be sparse on remote sections.

Route description: Cornwall – Sainte-Marthe-sur-le-Lac

The route from Cornwall to Sainte-Marthe-sur-le-Lac connects Ontario to Quebec. The straight-line distance is about 84.5 km, with an estimated road distance of 101 km — a medium-distance route (100–300 km). Plan at least one stop and check fuel before departure. Use the live planner for an up-to-date track, turn-by-turn directions, and a trip-cost estimate.

The trip starts at Cornwall (Ontario) — coordinates 45.0275° N, -74.7400° E. The destination is Sainte-Marthe-sur-le-Lac (Quebec), at 45.5300° N, -73.9300° E.

Practical tips for the Cornwall – Sainte-Marthe-sur-le-Lac drive

Terrain along the way

The route starts in Ontario — a province Great Lakes shoreline in the south, Canadian Shield forests across the north — and reaches Sainte-Marthe-sur-le-Lac in Quebec, St. Lawrence valley framed by the Laurentians and the Appalachians. The route also passes near Saint-Zotique (Quebec).

When to leave

For a medium-distance trip, leaving before 07:00 or after 10:00 helps you avoid urban congestion. Friday afternoons and Sunday returns often slow the major highways.

Explore Sainte-Marthe-sur-le-Lac

Full information about Sainte-Marthe-sur-le-Lac: interactive map, GPS coordinates, elevation, nearby cities, and routes to and from Sainte-Marthe-sur-le-Lac.

Sainte-Marthe-sur-le-Lac profile →

Explore Cornwall

Full information about Cornwall: map, GPS coordinates, and all routes from Cornwall to other Canadian cities.

Cornwall profile →

Related tools

Cities along the Cornwall – Sainte-Marthe-sur-le-Lac route

These cities are near the direct route between Cornwall and Sainte-Marthe-sur-le-Lac. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Cornwall → Saint-Zotique · Cornwall → Les Coteaux · Cornwall → Coteau-Landing

Related routes

From Cornwall to other cities:

To Sainte-Marthe-sur-le-Lac from other cities:

From Sainte-Marthe-sur-le-Lac to intermediate cities:

All info about Cornwall →  ·  All info about Sainte-Marthe-sur-le-Lac →

Similar-distance routes from Cornwall

Other routes from Cornwall with comparable distance (51–118 km straight line).

Popular routes from Ontario

Most-searched routes from Ontario, ranked by popularity.

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Frequently asked questions: Cornwall – Sainte-Marthe-sur-le-Lac

What is the straight-line distance between Cornwall and Sainte-Marthe-sur-le-Lac?

The straight-line distance between Cornwall and Sainte-Marthe-sur-le-Lac is about 84.5 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Cornwall to Sainte-Marthe-sur-le-Lac?

The estimated road distance from Cornwall to Sainte-Marthe-sur-le-Lac is about 101 km — derived by multiplying the straight-line distance by a road-deviation factor (1.13–1.30 based on length). For an up-to-date route, use the live planner.

How long does it take to drive from Cornwall to Sainte-Marthe-sur-le-Lac?

Indicative drive time from Cornwall to Sainte-Marthe-sur-le-Lac is about 1 h 8 min, based on an average highway speed of 90 km/h on a mixed motorway/highway profile. Real time depends on traffic, weather, stops, vehicle type, and conditions.

How do I get up-to-date driving directions from Cornwall to Sainte-Marthe-sur-le-Lac?

Use the live planner on this page: select your transport mode and click "Update route". You'll see the route with turn-by-turn directions, current distance, and estimated time based on up-to-date routing data.

Does the Cornwall–Sainte-Marthe-sur-le-Lac route involve highway tolls?

CanadaDrivingDirections.com does not provide toll details. Toll roads are limited in Canada — Ontario's 407 ETR, a few Quebec bridges, and the Confederation Bridge to PEI are the main ones. Check the operator's site for current pricing.

How does traffic affect the route from Cornwall to Sainte-Marthe-sur-le-Lac?

Traffic varies by time of day, season, and weather. The live planner uses up-to-date routing data; for live traffic, use a navigation app before departure — especially in winter when conditions can change rapidly.

Is there an alternative route from Cornwall to Sainte-Marthe-sur-le-Lac?

A common alternative is going via Saint-Zotique or Les Coteaux. Use the live planner to compare routes.

Can I open the Cornwall–Sainte-Marthe-sur-le-Lac route in Google Maps?

Yes. Click "Open in Google Maps" on this page to view the route in the Google Maps app or browser. You can also open Google Maps directly and enter Cornwall as origin and Sainte-Marthe-sur-le-Lac as destination.