How far is Fort Smith, AR, from Houston, TX?
The distance between Houston (Houston William P. Hobby Airport) and Fort Smith (Fort Smith Regional Airport) is 396 miles / 637 kilometers / 344 nautical miles.
The driving distance from Houston (HOU) to Fort Smith (FSM) is 478 miles / 769 kilometers, and travel time by car is about 9 hours 27 minutes.
Houston William P. Hobby Airport – Fort Smith Regional Airport
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Distance from Houston to Fort Smith
There are several ways to calculate the distance from Houston to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 395.756 miles
- 636.908 kilometers
- 343.903 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- 396.790 miles
- 638.572 kilometers
- 344.801 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 Fort Smith?
The estimated flight time from Houston William P. Hobby Airport to Fort Smith Regional Airport is 1 hour and 14 minutes.
What is the time difference between Houston and Fort Smith?
Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Fort Smith Regional Airport (FSM)
On average, flying from Houston to Fort Smith generates about 83 kg of CO2 per passenger, and 83 kilograms equals 184 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 Fort Smith
See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Fort Smith Regional Airport (FSM).
Airport information
| Origin | Houston William P. Hobby Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States  |
| IATA Code: | HOU |
| ICAO Code: | KHOU |
| Coordinates: | 29°38′43″N, 95°16′44″W |
| Destination | Fort Smith Regional Airport |
|---|---|
| City: | Fort Smith, AR |
| Country: | United States |
| IATA Code: | FSM |
| ICAO Code: | KFSM |
| Coordinates: | 35°20′11″N, 94°22′2″W |