Driving route · Canada

Route from Beauharnois to South Dundas

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

Distance from Beauharnois to South Dundas

The straight-line distance between Beauharnois and South Dundas is 118.4 km. The estimated road distance by car is around 142 km, with an indicative drive time of 1 h 35 min.

Straight-line distance 118.4 km
Estimated road distance ~142 km
Indicative drive time 1 h 35 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: Beauharnois – South Dundas

Route type Medium

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

Indicative fuel cost $16–$22

Estimate: ~142 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Beauharnois to South Dundas

The map shows the locations of Beauharnois (A) and South Dundas (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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Driving directions from Beauharnois to South Dundas

Real distance: 135.7 km  ·  Estimated time: 1 h 53 min

🗓 Calculated on June 4, 2026
  1. Drive south. 97 m
  2. Turn right onto Rue Saint-Laurent/132. 276 m
  3. Turn left onto Chemin de la Beauce/205. 1.5 km
  4. Turn right to take the 30 Ouest ramp toward Vaudreuil-Dorion. 19.6 km
  5. Keep right to take exit 5 onto 401 toward Toronto. 458 m
  6. Keep left to take 401 toward Toronto. 106.3 km
  7. Take exit 750 onto CR 31/County Road 31 toward Winchester/Morrisburg. 496 m
  8. Turn right onto County Road 31/CR 31. 2.0 km
  9. Turn left onto Strader Road. 2.8 km
  10. Bear left onto Hutt Road. 2.0 km

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

Estimate trip cost: Beauharnois – South Dundas

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

Indicative estimates based on ~142 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

Beauharnois

Quebec · 45.32000, -73.87000

Beauharnois sits on Quebec's south shore of the Saint Lawrence River at 45.32 N, 73.87 W, positioned to the west of Montreal. As a modest-sized community of roughly 13,600 inhabitants, it appears on regional maps as a…

Destination

South Dundas

Ontario · 44.91670, -75.26670

South Dundas is a township in eastern Ontario along the St. Lawrence River valley. The municipal area combines small riverside communities and extensive farmland, and it registers on maps as a low-density collection of…

How to drive from Beauharnois to South Dundas

The straight-line distance between Beauharnois (Quebec) and South Dundas (Ontario) is about 118.4 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: Beauharnois – South Dundas

The distance from Beauharnois to South Dundas is estimated at 142 km on a mixed road profile, starting from 118.4 km straight line. It is a medium-distance route (100–300 km) that connects Quebec to Ontario. Plan at least one stop and check fuel before departure. Calculate the current route with the live planner for detailed instructions.

The trip starts at Beauharnois (Quebec) — coordinates 45.3200° N, -73.8700° E. The destination is South Dundas (Ontario), at 44.9167° N, -75.2667° E.

Practical tips for the Beauharnois – South Dundas drive

Terrain along the way

The route starts in Quebec — a province St. Lawrence valley framed by the Laurentians and the Appalachians — and reaches South Dundas in Ontario, Great Lakes shoreline in the south, Canadian Shield forests across the north. The route also passes near Lancaster (Ontario).

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 South Dundas

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

South Dundas profile →

Explore Beauharnois

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

Beauharnois profile →

Related tools

Cities along the Beauharnois – South Dundas route

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

Routes with intermediate stops: Beauharnois → Lancaster · Beauharnois → South Lancaster · Beauharnois → South Glengarry

Related routes

From Beauharnois to other cities:

To South Dundas from other cities:

From South Dundas to intermediate cities:

All info about Beauharnois →  ·  All info about South Dundas →

Popular routes from Quebec

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Frequently asked questions: Beauharnois – South Dundas

What is the straight-line distance between Beauharnois and South Dundas?

The straight-line distance between Beauharnois and South Dundas is about 118.4 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Beauharnois to South Dundas?

The estimated road distance from Beauharnois to South Dundas is about 142 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 Beauharnois to South Dundas?

Indicative drive time from Beauharnois to South Dundas is about 1 h 35 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 Beauharnois to South Dundas?

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 Beauharnois–South Dundas 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 Beauharnois to South Dundas?

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 Beauharnois to South Dundas?

A common alternative is going via Lancaster or South Lancaster. Use the live planner to compare routes.

Can I open the Beauharnois–South Dundas 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 Beauharnois as origin and South Dundas as destination.