Map of flight path and driving directions from Houston to Roswell.
Shortest flight path between Houston George Bush Intercontinental Airport (IAH) and Roswell International Air Center (ROW).
How far is Roswell from Houston?
There are several ways to calculate distances between Houston and Roswell. Here are two common methods:Vincenty's formula (applied above)
- 587.597 miles
- 945.646 kilometers
- 510.608 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
- 586.834 miles
- 944.418 kilometers
- 509.945 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 Roswell is 1 hour. Roswell is 1 hour behind Houston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 111 kg (245 pounds).
Frequent Flyer Miles Calculator
Houston (IAH) → Roswell (ROW).