Route from Grenville to South River
Interactive map, distance, and indicative drive time for the route from Grenville to South River — 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 South River (Ontario). Use the live planner below to get up-to-date driving directions by car, on foot, or by bicycle.
Distance from Grenville to South River
The straight-line distance between Grenville and South River is 371.2 km. The estimated road distance by car is around 419 km, with an indicative drive time of 4 h 40 min.
Trip cost and route type: Grenville – South River
Driving directions from Grenville to South River
The map shows the locations of Grenville (A) and South River (B). Use the form below to calculate the up-to-date road route with turn-by-turn directions, real distance, and estimated drive time.
Turn-by-turn directions
Prefer another app? Open in Google Maps ↗
Driving directions from Grenville to South River
Real distance: 501.9 km · Estimated time: 7 h 6 min
- Drive north on Rue Foucault. 186 m
- Turn right onto Rue de la Montagne. 306 m
- Turn left onto Rue Principale. 1.3 km
- Bear left onto Route 148/148. Continue on 148. 11.5 km
- Turn right onto Chemin Avoca. 868 m
- Turn left to take the 50 ramp. 28.9 km
- Keep left to stay on 50/Autoroute Guy-Lafleur. 61.4 km
- Keep left to take 50/148/Autoroute Guy-Lafleur. 1.6 km
- Take exit 134-O onto 148 Ouest toward Boulevard des Allumettières Ouest. 410 m
- Turn right onto Boulevard des Allumettières/148. 1.0 km
- Enter the roundabout and take the 2nd exit onto 148/Boulevard des Allumettières. 11.1 km
- Turn right onto Chemin Eardley/148. Continue on 148. 62.8 km
Standard car route without avoiding highways. For advanced options (motorcycle, bicycle, transit, avoid tolls) use the live planner above.
Estimate trip cost: Grenville – South River
Indicative estimates based on ~419 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 Grenville to South River
The straight-line distance between Grenville (Quebec) and South River (Ontario) is about 371.2 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: Grenville – South River
Planning a trip from Grenville to South River means budgeting around 419 km on the road and an indicative drive time of 4 h 40 min by car. The route connects Quebec to Ontario 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 Grenville (Quebec) — coordinates 45.6333° N, -74.6000° E. The destination is South River (Ontario), at 45.8417° N, -79.3750° E.
Practical tips for the Grenville – South River 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 River in Ontario, Great Lakes shoreline in the south, Canadian Shield forests across the north. The route also passes near Beachburg (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 419 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 South River
Full information about South River: interactive map, GPS coordinates, elevation, nearby cities, and routes to and from South River.
South River profile →Explore Grenville
Full information about Grenville: map, GPS coordinates, and all routes from Grenville to other Canadian cities.
Grenville profile →Related tools
Driving Directions
Live planner with turn-by-turn directions from Grenville to South River.
Interactive map
Open the area between Grenville and South River on the map.
GPS coordinates
Find precise coordinates for any point along the route.
Distance calculator
Measure straight-line distances between intermediate points.
Elevation
Check elevation along the route — useful for mountain passes.
Satellite map
View the terrain between Grenville and South River in satellite imagery.
Cities along the Grenville – South River route
These cities are near the direct route between Grenville and South River. They may be useful as a stopover or alternate destination.
Routes with intermediate stops: Grenville → Beachburg · Grenville → Pembroke · Grenville → Cobden
Related routes
From Grenville to other cities:
To South River from other cities:
From South River to intermediate cities:
Popular routes from Quebec
Most-searched routes from Quebec, ranked by popularity.
Frequently asked questions: Grenville – South River
What is the straight-line distance between Grenville and South River?
The straight-line distance between Grenville and South River is about 371.2 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.
What is the estimated road distance from Grenville to South River?
The estimated road distance from Grenville to South River is about 419 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 South River?
Indicative drive time from Grenville to South River is about 4 h 40 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 South River?
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–South River 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 South River?
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 South River?
A common alternative is going via Beachburg or Pembroke. Use the live planner to compare routes.
Can I open the Grenville–South River 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 South River as destination.