Map of flight path from London to Ottawa.
Shortest flight path between London Heathrow Airport (LHR) and Ottawa Macdonald–Cartier International Airport (YOW).
How far is Ottawa from London?
There are several ways to calculate distances between London and Ottawa. Here are two common methods:Vincenty's formula (applied above)
- 3331.760 miles
- 5361.949 kilometers
- 2895.221 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 3322.006 miles
- 5346.250 kilometers
- 2886.744 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
The time difference between London and Ottawa is 5 hours. Ottawa is 5 hours behind London.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 374 kg (825 pounds).
Frequent Flyer Miles Calculator
London (LHR) → Ottawa (YOW).