Air Miles Calculator

Distance between Houston, TX (HOU) and St Louis, MO (STL)

Flight distance from Houston to St Louis (Houston William P. Hobby Airport – St. Louis Lambert International Airport) is 687 miles / 1106 kilometers / 597 nautical miles. Estimated flight time is 1 hour 48 minutes.

Driving distance from Houston (HOU) to St Louis (STL) is 803 miles / 1293 kilometers and travel time by car is about 14 hours 47 minutes.

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).

Airport information


A Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″W

B St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

Time difference and current local times

There is no time difference between Houston and St Louis.

Time Difference

Houston, TX

 CST

St Louis, MO

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 123 kg (272 pounds).

Frequent Flyer Miles Calculator

Houston (HOU) → St Louis (STL).

Distance:
687
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
687

Round trip?