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 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 205 kg (452 pounds).
Houston to Calgary flight map.
Frequent Flyer Miles Calculator
Houston (IAH) → Calgary (YYC).