Route from St. Louis to Thunder Bay
Interactive map, distance, and indicative drive time for the route from St. Louis to Thunder Bay — 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 St. Louis (Saskatchewan) and Thunder Bay (Ontario). Use the live planner below to get up-to-date driving directions by car, on foot, or by bicycle.
Distance from St. Louis to Thunder Bay
The straight-line distance between St. Louis and Thunder Bay is 1268.7 km. The estimated road distance by car is around 1434 km, with an indicative drive time of 15 h 56 min.
Trip cost and route type: St. Louis – Thunder Bay
Driving directions from St. Louis to Thunder Bay
The map shows the locations of St. Louis (A) and Thunder Bay (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 St. Louis to Thunder Bay
Real distance: 1,536.0 km · Estimated time: 18 h 55 min
- Drive east on 4 Street. 68 m
- Turn left onto Dubray Avenue. 325 m
- Turn right onto Riverside Drive/782. 6.9 km
- Turn left. 1.1 km
- Turn right onto Veterans Memorial Highway/2. 103.0 km
- Turn left onto 16/Yellowhead Route/Route Yellowhead. Continue on 16. 91.7 km
- Turn left onto 16/Trans Canada Highway: Yellowhead Route. Continue on 16. 158.2 km
- Turn right onto Yorkton Truck Bypass/52A. 3.1 km
- Turn left onto 52. 4.3 km
- Turn right onto 10A. 1.9 km
- Turn left onto 10/Queen Street. 231.7 km
- Take the 16 East exit toward Winnipeg. 6.2 km
Standard car route without avoiding highways. For advanced options (motorcycle, bicycle, transit, avoid tolls) use the live planner above.
Estimate trip cost: St. Louis – Thunder Bay
Indicative estimates based on ~1434 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 St. Louis to Thunder Bay
The straight-line distance between St. Louis (Saskatchewan) and Thunder Bay (Ontario) is about 1268.7 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: St. Louis – Thunder Bay
Looking for directions from St. Louis to Thunder Bay? The estimated road distance is 1434 km (1268.7 km straight line), with an indicative drive time of 15 h 56 min. A long route (over 300 km) that connects Saskatchewan to Ontario. 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 St. Louis (Saskatchewan) — coordinates 52.9167° N, -105.8170° E. The destination is Thunder Bay (Ontario), at 48.3822° N, -89.2461° E.
Practical tips for the St. Louis – Thunder Bay drive
Terrain along the way
The route starts in Saskatchewan — a province prairie to the south and boreal forest, lakes, and Shield country to the north — and reaches Thunder Bay in Ontario, Great Lakes shoreline in the south, Canadian Shield forests across the north. The route also passes near Teulon (Manitoba).
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 1434 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 Thunder Bay
Full information about Thunder Bay: interactive map, GPS coordinates, elevation, nearby cities, and routes to and from Thunder Bay.
Thunder Bay profile →Explore St. Louis
Full information about St. Louis: map, GPS coordinates, and all routes from St. Louis to other Canadian cities.
St. Louis profile →Related tools
Driving Directions
Live planner with turn-by-turn directions from St. Louis to Thunder Bay.
Interactive map
Open the area between St. Louis and Thunder Bay 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 St. Louis and Thunder Bay in satellite imagery.
Cities along the St. Louis – Thunder Bay route
These cities are near the direct route between St. Louis and Thunder Bay. They may be useful as a stopover or alternate destination.
Routes with intermediate stops: St. Louis → Teulon · St. Louis → Lundar · St. Louis → Arborg
Related routes
From St. Louis to other cities:
To Thunder Bay from other cities:
From Thunder Bay to intermediate cities:
Popular routes from Saskatchewan
Most-searched routes from Saskatchewan, ranked by popularity.
Frequently asked questions: St. Louis – Thunder Bay
What is the straight-line distance between St. Louis and Thunder Bay?
The straight-line distance between St. Louis and Thunder Bay is about 1268.7 km. This is the direct geometric distance between the two coordinates, ignoring road geometry.
What is the estimated road distance from St. Louis to Thunder Bay?
The estimated road distance from St. Louis to Thunder Bay is about 1434 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 St. Louis to Thunder Bay?
Indicative drive time from St. Louis to Thunder Bay is about 15 h 56 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 St. Louis to Thunder Bay?
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 St. Louis–Thunder Bay 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 St. Louis to Thunder Bay?
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 St. Louis to Thunder Bay?
A common alternative is going via Teulon or Lundar. Use the live planner to compare routes.
Can I open the St. Louis–Thunder Bay 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 St. Louis as origin and Thunder Bay as destination.