Distance from Markham to Port Williams
The distance between Markham, Canada and Port Williams, Canada is 1,191 km (740 miles) in a straight line. If a road route exists, expect roughly 1488 km (925 miles) by car — around 18 h 36 min of driving.
| Measure | Value |
|---|---|
| Straight-line distance | 1,191 km / 740 mi |
| Road distance (estimate) | ≈ 1488 km / 925 mi |
| Driving time (estimate) | ≈ 18 h 36 min |
| Flight time (estimate) | ≈ 1 h 54 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 |
|---|---|---|
| Markham, Canada | 43.856186 | -79.33675 |
| Port Williams, Canada | 45.09795 | -64.410165 |
Frequently asked questions
How far is Port Williams from Markham?
The straight-line (air) distance from Markham, Canada to Port Williams, Canada is 1,191 km (740 miles). By road it is roughly 1488 km (925 miles), depending on the route.
How long does it take to drive from Markham to Port Williams?
Approximately 18 h 36 min, assuming an 80 km/h average over an estimated road distance of 1488 km. Actual time depends on the route, traffic and border crossings.
How long is the flight from Markham to Port Williams?
A direct flight covers 1,191 km in about 1 h 54 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 Port Williams to Markham (reverse route)
GPS coordinates of Markham GPS coordinates of Port Williams