Distance from Ontario to Thunder Bay
The distance between Ontario, United States and Thunder Bay, Canada is 2,834 km (1,761 miles) in a straight line. If a road route exists, expect roughly 3542 km (2201 miles) by car — around 44 h 16 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 2,834 km / 1,761 mi |
| Road distance (estimate) | ≈ 3542 km / 2201 mi |
| Driving time (estimate) | ≈ 44 h 16 min |
| Flight time (estimate) | ≈ 3 h 50 min |
Road distance and travel times are estimates based on the straight-line distance (road factor 1.25, average speed 80 km/h) — actual routes vary.
| Place | Latitude | Longitude |
|---|---|---|
| Ontario, United States | 34.0633521 | -117.652398 |
| Thunder Bay, Canada | 48.38178 | -89.246063 |
Frequently asked questions
How far is Thunder Bay from Ontario?
The straight-line (air) distance from Ontario, United States to Thunder Bay, Canada is 2,834 km (1,761 miles). By road it is roughly 3542 km (2201 miles), depending on the route.
How long does it take to drive from Ontario to Thunder Bay?
Approximately 44 h 16 min, assuming an 80 km/h average over an estimated road distance of 3542 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Ontario to Thunder Bay?
A direct flight covers 2,834 km in about 3 h 50 min at typical cruise speed, plus airport time. Not all city pairs have direct flights.
How do I calculate distances for a whole list of locations?
Upload a CSV or Excel spreadsheet to the batch distance calculator — it computes the distance for every origin–destination row at once. The first records are free to try.
Related distances
Distance from Thunder Bay to Ontario (reverse route)
GPS coordinates of Ontario GPS coordinates of Thunder Bay