Map of flight path and driving directions from Houston to Ottawa.
Shortest flight path between Houston William P. Hobby Airport (HOU) and Ottawa Macdonald–Cartier International Airport (YOW).
How far is Ottawa from Houston?
There are several ways to calculate distances between Houston and Ottawa. Here are two common methods:Vincenty's formula (applied above)
- 1518.540 miles
- 2443.853 kilometers
- 1319.575 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
- 1518.218 miles
- 2443.336 kilometers
- 1319.296 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 Houston and Ottawa is 1 hour. Ottawa is 1 hour ahead of Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 181 kg (398 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → Ottawa (YOW).