Calculations with different methods
- 751.481 miles
- 1209.392 kilometers
- 653.020 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
- 752.594 miles
- 1211.182 kilometers
- 653.986 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 Abraham Lincoln Capital Airport (SPI) is 1 hour 55 minutes.
Time difference and current local times
There is no time difference between Houston and Springfield.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 117 kg (259 pounds).
Houston to Springfield flight map.
Frequent Flyer Miles Calculator
Houston (IAH) → Springfield (SPI).