Driving route · Canada

Route from Deux-Montagnes to Cobourg

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

Distance from Deux-Montagnes to Cobourg

The straight-line distance between Deux-Montagnes and Cobourg is 380.4 km. The estimated road distance by car is around 430 km, with an indicative drive time of 4 h 47 min.

Straight-line distance 380.4 km
Estimated road distance ~430 km
Indicative drive time 4 h 47 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: Deux-Montagnes – Cobourg

Route type Long

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

Indicative fuel cost $48–$65

Estimate: ~430 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Deux-Montagnes to Cobourg

The map shows the locations of Deux-Montagnes (A) and Cobourg (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 Deux-Montagnes to Cobourg

Real distance: 436.5 km  ·  Estimated time: 6 h 18 min

🗓 Calculated on June 4, 2026
  1. Drive northwest on 9e Avenue. 580 m
  2. Turn right onto 10e Avenue. 313 m
  3. Turn right onto 12e Avenue. 244 m
  4. Turn right onto Chemin d'Oka/344. Continue on 344. 2.6 km
  5. Turn right onto Boulevard Arthur-Sauvé/Arthur-Sauvé Boulevard/148. 3.4 km
  6. Turn left onto Avenue des Bois/148. 3.5 km
  7. Keep right to take exit 17 onto 13 toward Montreal. 140 m
  8. Keep right to take 13 Sud toward Montreal. 1.3 km
  9. Take the 13 Sud ramp on the left toward Montréal. 7.4 km
  10. Take exit 6 onto 40 toward Ottawa/Gatineau. 198 m
  11. Keep right to take 40 Ouest toward Ottawa/Gatineau. 488 m
  12. Take the 40 Ouest ramp on the left toward Ottawa/Gatineau. 27.2 km

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

Estimate trip cost: Deux-Montagnes – Cobourg

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

Indicative estimates based on ~430 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

Deux-Montagnes

Quebec · 45.53330, -73.88330

Deux-Montagnes sits on the north shore of Lac des Deux Montagnes in southwestern Quebec, on the northern edge of the Montreal metropolitan area. On regional maps it appears as a lakeshore suburban community whose built…

Destination

Cobourg

Ontario · 43.96670, -78.16670

Cobourg sits on the north shore of Lake Ontario in southern Ontario, east of the Greater Toronto Area. The town forms a modest coastal urban centre with a compact downtown and harbour frontage; on road maps it functions…

How to drive from Deux-Montagnes to Cobourg

The straight-line distance between Deux-Montagnes (Quebec) and Cobourg (Ontario) is about 380.4 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: Deux-Montagnes – Cobourg

From Deux-Montagnes to Cobourg the estimated road distance is roughly 430 km (380.4 km straight line). The trip connects Quebec to Ontario and is a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. The live planner provides turn-by-turn instructions, indicative arrival time, and a fuel-or-electricity cost estimate.

The trip starts at Deux-Montagnes (Quebec) — coordinates 45.5333° N, -73.8833° E. The destination is Cobourg (Ontario), at 43.9667° N, -78.1667° E.

Practical tips for the Deux-Montagnes – Cobourg drive

Terrain along the way

The route starts in Quebec — a province St. Lawrence valley framed by the Laurentians and the Appalachians — and reaches Cobourg in Ontario, Great Lakes shoreline in the south, Canadian Shield forests across the north. The route also passes near Athens (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 430 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 Cobourg

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

Cobourg profile →

Explore Deux-Montagnes

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

Deux-Montagnes profile →

Related tools

Cities along the Deux-Montagnes – Cobourg route

These cities are near the direct route between Deux-Montagnes and Cobourg. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Deux-Montagnes → Athens · Deux-Montagnes → Smiths Falls · Deux-Montagnes → Rideau Lakes

Related routes

From Deux-Montagnes to other cities:

To Cobourg from other cities:

From Cobourg to intermediate cities:

All info about Deux-Montagnes →  ·  All info about Cobourg →

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Frequently asked questions: Deux-Montagnes – Cobourg

What is the straight-line distance between Deux-Montagnes and Cobourg?

The straight-line distance between Deux-Montagnes and Cobourg is about 380.4 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Deux-Montagnes to Cobourg?

The estimated road distance from Deux-Montagnes to Cobourg is about 430 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 Deux-Montagnes to Cobourg?

Indicative drive time from Deux-Montagnes to Cobourg is about 4 h 47 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 Deux-Montagnes to Cobourg?

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 Deux-Montagnes–Cobourg 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 Deux-Montagnes to Cobourg?

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 Deux-Montagnes to Cobourg?

A common alternative is going via Athens or Smiths Falls. Use the live planner to compare routes.

Can I open the Deux-Montagnes–Cobourg 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 Deux-Montagnes as origin and Cobourg as destination.