Calculations with different methods
- 771.640 miles
- 1241.833 kilometers
- 670.536 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
- 772.630 miles
- 1243.428 kilometers
- 671.398 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from George Bush Intercontinental Airport (IAH) to Decatur Airport (DEC) is 1 hour 57 minutes.
Time difference and current local times
There is no time difference between Houston and Decatur.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 119 kg (263 pounds).
Houston to Decatur flight map.
Frequent Flyer Miles Calculator
Houston (IAH) → Decatur (DEC).