Distance from Calgary to Ottawa

The straight-line (great-circle) distance between Calgary and Ottawa is 2,878.8 kilometres, roughly 3 h 53 min by plane at 850 km/h. By road it is about 3,343 km via Trans-Canada Highway and Highway 17, which takes around 42 h 45 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line2,878.8 km
By road3,343 km
Driving time42 h 45 min
Flight time3 h 53 min

About this page

This page is for anyone planning a trip from Calgary to Ottawa, 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 Ottawa?
In a straight line it is 2,878.8 km. By road it is about 3,343 km, roughly 42 h 45 min of driving.
How long is the flight from Calgary to Ottawa?
Roughly 3 h 53 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 Ottawa?
About 3,343 km on the fastest route via Trans-Canada Highway and Highway 17, which takes around 42 h 45 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.