How far is St Louis, MO, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and St Louis (St. Louis Lambert International Airport) is 667 miles / 1074 kilometers / 580 nautical miles.
The driving distance from Houston (IAH) to St Louis (STL) is 776 miles / 1249 kilometers, and travel time by car is about 14 hours 23 minutes.
Houston George Bush Intercontinental Airport – St. Louis Lambert International Airport
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Distance from Houston to St Louis
There are several ways to calculate the distance from Houston to St Louis. Here are two standard methods:
Vincenty's formula (applied above)- 667.306 miles
- 1073.925 kilometers
- 579.873 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 668.352 miles
- 1075.609 kilometers
- 580.782 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).
How long does it take to fly from Houston to St Louis?
The estimated flight time from Houston George Bush Intercontinental Airport to St. Louis Lambert International Airport is 1 hour and 45 minutes.
What is the time difference between Houston and St Louis?
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and St. Louis Lambert International Airport (STL)
On average, flying from Houston to St Louis generates about 121 kg of CO2 per passenger, and 121 kilograms equals 267 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Houston to St Louis
See the map of the shortest flight path between Houston George Bush Intercontinental Airport (IAH) and St. Louis Lambert International Airport (STL).
Airport information
| Origin | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
| Destination | St. Louis Lambert International Airport |
|---|---|
| City: | St Louis, MO |
| Country: | United States |
| IATA Code: | STL |
| ICAO Code: | KSTL |
| Coordinates: | 38°44′55″N, 90°22′12″W |
Airlines flying from Houston (IAH) to St Louis (STL)
| United Airlines |