Map of flight path and driving directions from Houston to Annette.
Shortest flight path between Houston William P. Hobby Airport (HOU) and Annette Island Airport (ANN).
How far is Annette from Houston?
There are several ways to calculate distances between Houston and Annette. Here are two common methods:Vincenty's formula (applied above)
- 2504.635 miles
- 4030.819 kilometers
- 2176.468 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
- 2502.583 miles
- 4027.516 kilometers
- 2174.685 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 Annette is 3 hours. Annette is 3 hours behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 276 kg (608 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → Annette (ANN).