How far is Fort Smith, AR, from Houston, TX?
The distance between Houston (Houston George Bush Intercontinental Airport) and Fort Smith (Fort Smith Regional Airport) is 373 miles / 601 kilometers / 324 nautical miles.
The driving distance from Houston (IAH) to Fort Smith (FSM) is 455 miles / 732 kilometers, and travel time by car is about 8 hours 57 minutes.
Houston George Bush Intercontinental 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)- 373.154 miles
- 600.533 kilometers
- 324.262 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- 374.110 miles
- 602.071 kilometers
- 325.093 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 George Bush Intercontinental Airport to Fort Smith Regional Airport is 1 hour and 12 minutes.
What is the time difference between Houston and Fort Smith?
Flight carbon footprint between Houston George Bush Intercontinental Airport (IAH) and Fort Smith Regional Airport (FSM)
On average, flying from Houston to Fort Smith generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 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 George Bush Intercontinental Airport (IAH) and Fort Smith Regional Airport (FSM).
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 | 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 |