Distance from St. Thomas to Ontario
The distance between St. Thomas, Canada and Ontario, United States is 3,292 km (2,046 miles) in a straight line. If a road route exists, expect roughly 4115 km (2557 miles) by car — around 51 h 26 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 3,292 km / 2,046 mi |
| Road distance (estimate) | ≈ 4115 km / 2557 mi |
| Driving time (estimate) | ≈ 51 h 26 min |
| Flight time (estimate) | ≈ 4 h 22 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 |
|---|---|---|
| St. Thomas, Canada | 42.779226 | -81.192734 |
| Ontario, United States | 34.0633521 | -117.652398 |
Frequently asked questions
How far is Ontario from St. Thomas?
The straight-line (air) distance from St. Thomas, Canada to Ontario, United States is 3,292 km (2,046 miles). By road it is roughly 4115 km (2557 miles), depending on the route.
How long does it take to drive from St. Thomas to Ontario?
Approximately 51 h 26 min, assuming an 80 km/h average over an estimated road distance of 4115 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from St. Thomas to Ontario?
A direct flight covers 3,292 km in about 4 h 22 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 Ontario to St. Thomas (reverse route)
GPS coordinates of St. Thomas GPS coordinates of Ontario