Driving route · Canada

Route from Grenville to Thessalon

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

Distance from Grenville to Thessalon

The straight-line distance between Grenville and Thessalon is 695.1 km. The estimated road distance by car is around 785 km, with an indicative drive time of 8 h 44 min.

Straight-line distance 695.1 km
Estimated road distance ~785 km
Indicative drive time 8 h 44 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: Grenville – Thessalon

Route type Long

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

Indicative fuel cost $88–$119

Estimate: ~785 km, 8 L/100 km, $1.65/L. ±15%. Excludes tolls.

Driving directions from Grenville to Thessalon

The map shows the locations of Grenville (A) and Thessalon (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:

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Driving directions from Grenville to Thessalon

Real distance: 817.0 km  ·  Estimated time: 11 h 13 min

🗓 Calculated on June 4, 2026
  1. Drive south on Rue Foucault. 153 m
  2. Turn left onto Rue de la Montagne. 109 m
  3. Turn left onto Rue des Cèdres. 180 m
  4. Turn right onto Rue Principale. 1.6 km
  5. Turn right onto Rue Maple. 1.4 km
  6. Turn right onto Du Chenail Boulevard/Boulevard du Chenail. 17.3 km
  7. Take the 417 Ouest ramp toward Ottawa. 386.3 km
  8. Enter the roundabout and take the 2nd exit onto 17/McConnell Street/Rue McConnell. 44 m
  9. Exit the roundabout onto 17/McConnell Street/Rue McConnell. Continue on 17. 58.7 km
  10. Take the 17 exit toward North Bay. 119.8 km
  11. Turn left to stay on 17. 14.0 km
  12. Keep left to take 17/Southwest By-Pass. 407 m

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

Estimate trip cost: Grenville – Thessalon

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

Indicative estimates based on ~785 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

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…

Destination

Thessalon

Ontario · 46.25000, -83.55000

Thessalon sits on the north shore of Lake Huron in Ontario at the mouth of the Thessalon River. It is a small lakeside town rather than part of a metropolitan area, and it functions on maps as a coastal reference point…

How to drive from Grenville to Thessalon

The straight-line distance between Grenville (Quebec) and Thessalon (Ontario) is about 695.1 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: Grenville – Thessalon

The journey from Grenville to Thessalon covers roughly 785 km on the road, equal to 695.1 km straight line. The trip connects Quebec to Ontario and is classified as a long route (over 300 km). Plan multiple breaks and check highway traffic, weather, and fuel availability — particularly in remote sections. Open the interactive planner for the route map, turns, and a fuel-or-EV cost calculator.

The trip starts at Grenville (Quebec) — coordinates 45.6333° N, -74.6000° E. The destination is Thessalon (Ontario), at 46.2500° N, -83.5500° E.

Practical tips for the Grenville – Thessalon drive

Terrain along the way

The route starts in Quebec — a province St. Lawrence valley framed by the Laurentians and the Appalachians — and reaches Thessalon in Ontario, Great Lakes shoreline in the south, Canadian Shield forests across the north. The route also passes near South River (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 785 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 Thessalon

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

Thessalon profile →

Explore Grenville

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

Grenville profile →

Related tools

Cities along the Grenville – Thessalon route

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

Routes with intermediate stops: Grenville → South River · Grenville → Sundridge · Grenville → Burks Falls

Related routes

From Grenville to other cities:

To Thessalon from other cities:

From Thessalon to intermediate cities:

All info about Grenville →  ·  All info about Thessalon →

Popular routes from Quebec

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Frequently asked questions: Grenville – Thessalon

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

The straight-line distance between Grenville and Thessalon is about 695.1 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.

What is the estimated road distance from Grenville to Thessalon?

The estimated road distance from Grenville to Thessalon is about 785 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 Grenville to Thessalon?

Indicative drive time from Grenville to Thessalon is about 8 h 44 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 Grenville to Thessalon?

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 Grenville–Thessalon 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 Grenville to Thessalon?

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 Grenville to Thessalon?

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

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