How far is Calgary from Houston?
There are several ways to calculate distances between Houston and Calgary. Here are two common methods:Vincenty's formula (applied above)
- 1747.345 miles
- 2812.079 kilometers
- 1518.401 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
- 1747.637 miles
- 2812.550 kilometers
- 1518.655 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).
Estimated flight time from Houston George Bush Intercontinental Airport (IAH) to Calgary International Airport (YYC) is 3 hours 48 minutes.
Time difference and current local times
The time difference between Houston and Calgary is 1 hour. Calgary is 1 hour behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 192 kg (423 pounds).
Houston to Calgary flight path
Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Calgary International Airport (YYC).
Frequent Flyer Miles Calculator
Houston (IAH) → Calgary (YYC).