Route from Harriston to Lac-Brome

Distance from Harriston to Lac-Brome

The straight-line distance between Harriston and Lac-Brome is 678 km. The estimated road distance by car is around 766 km, with an indicative drive time of 8 h 31 min.

Trip cost and route type: Harriston – Lac-Brome

Driving directions from Harriston to Lac-Brome

The map shows the locations of Harriston (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 Harriston to Lac-Brome

Real distance: 802.1 km  ·  Estimated time: 11 h 27 min

1. • Drive northwest on Hutchison Street. 348 m
2. → Turn right onto Highway 9/9. 3.1 km
3. ↺ Enter the roundabout and take the 2nd exit onto County Road 109/CR 109. 10.0 km
4. ↺ Enter the roundabout and take the 3rd exit onto Wellington Road 109/109. 57 m
5. ↺ Exit the roundabout onto Wellington Road 109/109. Continue on 109. 51.0 km
6. → Turn right onto Riddell Road. 6.9 km
7. ← Turn left onto Highway 10/10. 472 m
8. • Bear right toward 9/Highway 9 East/Newmarket. 219 m
9. • Bear right onto Highway 9/9. 40.1 km
10. → Take the 400 South ramp toward Toronto. 26.7 km
11. • Keep right to take exit 26 onto 407 ETR. 802 m
12. • Keep left to take 407 ETR East. 69.1 km
13. • Take exit 135 onto 418 South toward 401. 9.9 km
14. • Keep left to take 401 East/est toward Kingston. 1.7 km
15. • Keep left to take 401 East/est. 218.2 km
16. • Keep left to take 401/Highway 401/Macdonald-Cartier Freeway. 72.1 km
17. • Keep left to stay on 401/Highway 401/Macdonald-Cartier Freeway. 136.4 km
18. • Take exit 29 onto 30/40 toward Sorel-Tracy. 886 m
19. • Keep right to take 30 Est toward Sorel-Tracy. 60.5 km
20. • Take exit 67 onto 10/15 toward Sherbrooke. 1.1 km
21. • Keep right to take I 89/10/15 toward Sherbrooke. 10.7 km
22. • Keep left to stay on 10/Autoroute des Cantons-de-l'Est. 68.3 km
23. • Take exit 90 onto 243 toward Waterloo/Valcourt/Lac-Brome. 265 m
24. → Turn right onto Chemin Foster/243. Continue on 243. 3.4 km
25. • Bear left onto Chemin Lakeside/243. 8.5 km
26. → Turn right onto Chemin de Knowlton/Knowlton Road/104. 441 m
27. Show all 26 steps ↓

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

Estimate trip cost: Harriston – Lac-Brome

Indicative estimates based on ~766 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 Harriston to Lac-Brome

The straight-line distance between Harriston (Ontario) and Lac-Brome (Quebec) is about 678 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: Harriston – Lac-Brome

Looking for directions from Harriston to Lac-Brome? The estimated road distance is 766 km (678 km straight line), with an indicative drive time of 8 h 31 min. A long route (over 300 km) that connects Ontario to Quebec. Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. Choose the transport mode in the live planner to get the detailed track.

The trip starts at Harriston (Ontario) — coordinates 43.9167° N, -80.8833° E. The destination is Lac-Brome (Quebec), at 45.2167° N, -72.5167° E.

Practical tips for the Harriston – 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 Verona (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 766 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 Harriston – Lac-Brome route

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

Routes with intermediate stops: Harriston → Verona · Harriston → South Frontenac · Harriston → Sydenham

Related routes

From Harriston to other cities:

To Lac-Brome from other cities:

From Lac-Brome to intermediate cities:

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

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Frequently asked questions: Harriston – Lac-Brome