Distance from Calgary to Montreal

The straight-line (great-circle) distance between Calgary and Montreal is 3,023.6 kilometres, roughly 4 h 3 min by plane at 850 km/h. By road it is about 3,540 km via Highway 17 and Trans-Canada Highway, which takes around 45 h 10 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line3,023.6 km
By road3,540 km
Driving time45 h 10 min
Flight time4 h 3 min

About this page

This page is for anyone planning a trip from Calgary to Montreal, in Canada. The straight-line distance comes from the haversine formula (great-circle distance). The road distance and driving time are the fastest car route on the OpenStreetMap road network, computed with OSRM; the actual time depends on traffic, stops and the roads you choose. Tap "Calculate distance" in the calculator to redraw the route live.

Frequently asked questions

What is the distance from Calgary to Montreal?
In a straight line it is 3,023.6 km. By road it is about 3,540 km, roughly 45 h 10 min of driving.
How long is the flight from Calgary to Montreal?
Roughly 4 h 3 min: the distance at a cruising speed of 850 km/h plus about 30 minutes for take-off and landing.
How many kilometres by road between Calgary and Montreal?
About 3,540 km on the fastest route via Highway 17 and Trans-Canada Highway, which takes around 45 h 10 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
How is this distance calculated?
The straight-line distance uses the haversine formula, which gives the shortest path between two points on the Earth's surface.