Route from Dorchester to Lac-Brome

Distance from Dorchester to Lac-Brome

The straight-line distance between Dorchester and Lac-Brome is 725.2 km. The estimated road distance by car is around 819 km, with an indicative drive time of 9 h 6 min.

Trip cost and route type: Dorchester – Lac-Brome

Driving directions from Dorchester to Lac-Brome

The map shows the locations of Dorchester (A) and Lac-Brome (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 Dorchester to Lac-Brome

Real distance: 826.7 km  ·  Estimated time: 11 h 55 min

1. • Drive south on Jane Street. 45 m
2. ← Turn left onto Hamilton Road/29. 3.4 km
3. → Turn right onto County Road 73/73. Continue on 73. 1.7 km
4. ← Turn left to take the 401 ramp. 31.4 km
5. • Keep left to stay on 401/Highway 401/Macdonald-Cartier Freeway. 89.9 km
6. • Keep left to stay on 401/Macdonald-Cartier Freeway. 5.9 km
7. • Take exit 330B onto 407 ETR East. 100.9 km
8. • Take exit 135 onto 418 South toward 401. 9.9 km
9. • Keep left to take 401 East/est toward Kingston. 1.7 km
10. • Keep left to take 401 East/est. 218.2 km
11. • Keep left to take 401/Highway 401/Macdonald-Cartier Freeway. 72.1 km
12. • Keep left to stay on 401/Highway 401/Macdonald-Cartier Freeway. 136.4 km
13. • Take exit 29 onto 30/40 toward Sorel-Tracy. 887 m
14. • Keep right to take 30 Est toward Sorel-Tracy. 60.6 km
15. • Take exit 67 onto 10/15 toward Sherbrooke. 1.1 km
16. • Keep right to take I 89/10/15 toward Sherbrooke. 10.7 km
17. • Keep left to stay on 10/Autoroute des Cantons-de-l'Est. 68.3 km
18. • Take exit 90 onto 243 toward Waterloo/Valcourt/Lac-Brome. 264 m
19. → Turn right onto Chemin Foster/243. Continue on 243. 3.4 km
20. • Bear left onto Chemin Lakeside/243. 8.5 km
21. → Turn right onto Chemin de Knowlton/Knowlton Road/104. 460 m
22. Show all 21 steps ↓

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

Estimate trip cost: Dorchester – Lac-Brome

Indicative estimates based on ~819 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

How to drive from Dorchester to Lac-Brome

The straight-line distance between Dorchester (Ontario) and Lac-Brome (Quebec) is about 725.2 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: Dorchester – Lac-Brome

Planning a trip from Dorchester to Lac-Brome means budgeting around 819 km on the road and an indicative drive time of 9 h 6 min by car. The route connects Ontario to Quebec and falls into a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections.

The trip starts at Dorchester (Ontario) — coordinates 42.9890° N, -81.0580° E. The destination is Lac-Brome (Quebec), at 45.2167° N, -72.5167° E.

Practical tips for the Dorchester – Lac-Brome 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 Lac-Brome in Quebec, St. Lawrence valley framed by the Laurentians and the Appalachians. The route also passes near Bath (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 819 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.

Related tools

Cities along the Dorchester – Lac-Brome route

These cities are near the direct route between Dorchester and Lac-Brome. They may be useful as a stopover or alternate destination.

Routes with intermediate stops: Dorchester → Bath · Dorchester → Millhaven · Dorchester → Loyalist

Related routes

From Dorchester to other cities:

To Lac-Brome from other cities:

From Lac-Brome to intermediate cities:

All info about Dorchester →  ·  All info about Lac-Brome →

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Frequently asked questions: Dorchester – Lac-Brome