Driving route · Canada

Route from Marmora to Grenville

Interactive map, distance, and indicative drive time for the route from Marmora to Grenville — 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 Marmora (Ontario) and Grenville (Quebec). Use the live planner below to get up-to-date driving directions by car, on foot, or by bicycle.

Distance from Marmora to Grenville

The straight-line distance between Marmora and Grenville is 273.8 km. The estimated road distance by car is around 309 km, with an indicative drive time of 3 h 26 min.

Straight-line distance 273.8 km
Estimated road distance ~309 km
Indicative drive time 3 h 26 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: Marmora – Grenville

Route type Long

Long route (over 300 km) — plan a break roughly every 2 hours and check highway traffic and weather.

Indicative fuel cost $35–$47

Estimate: ~309 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Marmora to Grenville

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

Avoid:

Prefer another app? Open in Google Maps ↗

Driving directions from Marmora to Grenville

Real distance: 316.8 km  ·  Estimated time: 5 h 3 min

🗓 Calculated on June 4, 2026
  1. Drive southeast. 92 m
  2. Turn left onto 7/Matthew Street. Continue on 7. 128.6 km
  3. Turn right onto Wilson Street West/CR 43. 1.4 km
  4. Turn left onto Foster Street/CR 43. 144 m
  5. Turn right onto Gore Street East/CR 43. 596 m
  6. Turn left onto Craig Street/CR 43. 19.0 km
  7. Turn right onto Elmsley Street North. 17.9 km
  8. Turn right onto Mill Street/CR 43. 496 m
  9. Turn left onto Main Street East/CR 43. Continue on CR 43. 18.4 km
  10. Enter the roundabout and take the 2nd exit onto County Road 43/CR 43. 6.0 km
  11. Bear left to stay on County Road 43. 19.7 km
  12. Turn left onto County Road 31/CR 31. 5.6 km

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

Estimate trip cost: Marmora – Grenville

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

Indicative estimates based on ~309 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

Marmora

Ontario · 44.48330, -77.68330

Located in southeastern Ontario, Marmora sits in a rural part of the province where small towns, lakes and mixed farmland meet forested hills. The community functions as a compact local centre for drivers on regional…

Destination

Grenville

Quebec · 45.63330, -74.60000

Grenville sits in southwestern Quebec close to the provincial boundary with Ontario, appearing on maps as a compact rural municipality rather than part of a larger metropolitan area. For drivers it serves mainly as a…

How to drive from Marmora to Grenville

The straight-line distance between Marmora (Ontario) and Grenville (Quebec) is about 273.8 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: Marmora – Grenville

The route from Marmora to Grenville connects Ontario to Quebec. The straight-line distance is about 273.8 km, with an estimated road distance of 309 km — a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. Use the live planner for an up-to-date track, turn-by-turn directions, and a trip-cost estimate.

The trip starts at Marmora (Ontario) — coordinates 44.4833° N, -77.6833° E. The destination is Grenville (Quebec), at 45.6333° N, -74.6000° E.

Practical tips for the Marmora – Grenville 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 Grenville in Quebec, St. Lawrence valley framed by the Laurentians and the Appalachians. The route also passes near Carleton Place (Ontario).

When to leave

For a long route, leave early (before 06:30) or wait until after 10:00. Avoid summer long-weekend exoduses and major holidays. Plan a break every 1.5–2 hours of driving — and check weather, especially across the Prairies and through mountain passes.

Alternatives

For this route of about 309 km, consider VIA Rail Canada — VIA's Corridor service connects many Eastern Canadian cities, and the long-distance trains (the Canadian, Ocean) run through the Prairies and the Maritimes. Cross-border trips may also include Amtrak's Adirondack or Cascades. Check schedules at viarail.ca and amtrak.com.

Explore Grenville

Full information about Grenville: interactive map, GPS coordinates, elevation, nearby cities, and routes to and from Grenville.

Grenville profile →

Explore Marmora

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

Marmora profile →

Related tools

Cities along the Marmora – Grenville route

These cities are near the direct route between Marmora and Grenville. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Marmora → Carleton Place · Marmora → Mississippi Mills · Marmora → Almonte

Related routes

From Marmora to other cities:

To Grenville from other cities:

From Grenville to intermediate cities:

All info about Marmora →  ·  All info about Grenville →

Popular routes from Ontario

Most-searched routes from Ontario, ranked by popularity.

All cities of Ontario →

Frequently asked questions: Marmora – Grenville

What is the straight-line distance between Marmora and Grenville?

The straight-line distance between Marmora and Grenville is about 273.8 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Marmora to Grenville?

The estimated road distance from Marmora to Grenville is about 309 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 Marmora to Grenville?

Indicative drive time from Marmora to Grenville is about 3 h 26 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 Marmora to Grenville?

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 Marmora–Grenville 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 Marmora to Grenville?

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 Marmora to Grenville?

A common alternative is going via Carleton Place or Mississippi Mills. Use the live planner to compare routes.

Can I open the Marmora–Grenville 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 Marmora as origin and Grenville as destination.