Map of flight path and driving directions from Houston to Toronto.
Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Toronto Pearson International Airport (YYZ).
How far is Toronto from Houston?
There are several ways to calculate distances between Houston and Toronto. Here are two common methods:Vincenty's formula (applied above)
- 1280.049 miles
- 2060.039 kilometers
- 1112.332 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
- 1280.077 miles
- 2060.084 kilometers
- 1112.357 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 Toronto is 1 hour. Toronto is 1 hour ahead of Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 166 kg (365 pounds).
Frequent Flyer Miles Calculator
Houston (IAH) → Toronto (YYZ).