Map of flight path and driving directions from Houston to St Louis.
Shortest flight path between Houston William P. Hobby Airport (HOU) and St. Louis Lambert International Airport (STL).
How far is St Louis from Houston?
There are several ways to calculate distances between Houston and St Louis. Here are two common methods:Vincenty's formula (applied above)
- 687.267 miles
- 1106.049 kilometers
- 597.219 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
- 688.405 miles
- 1107.880 kilometers
- 598.208 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
There is no time difference between Houston and St Louis.
St Louis, MO
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 123 kg (272 pounds).
Frequent Flyer Miles Calculator
Houston (HOU) → St Louis (STL).