How far is Riverton, WY, from Fort Smith, AR?
The distance between Fort Smith (Fort Smith Regional Airport) and Riverton (Central Wyoming Regional Airport) is 923 miles / 1486 kilometers / 802 nautical miles.
The driving distance from Fort Smith (FSM) to Riverton (RIW) is 1159 miles / 1865 kilometers, and travel time by car is about 21 hours 19 minutes.
Fort Smith Regional Airport – Central Wyoming Regional Airport
Search flights
Distance from Fort Smith to Riverton
There are several ways to calculate the distance from Fort Smith to Riverton. Here are two standard methods:
Vincenty's formula (applied above)- 923.358 miles
- 1486.000 kilometers
- 802.376 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- 922.337 miles
- 1484.357 kilometers
- 801.489 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 Fort Smith to Riverton?
The estimated flight time from Fort Smith Regional Airport to Central Wyoming Regional Airport is 2 hours and 14 minutes.
What is the time difference between Fort Smith and Riverton?
The time difference between Fort Smith and Riverton is 1 hour. Riverton is 1 hour behind Fort Smith.
Flight carbon footprint between Fort Smith Regional Airport (FSM) and Central Wyoming Regional Airport (RIW)
On average, flying from Fort Smith to Riverton generates about 145 kg of CO2 per passenger, and 145 kilograms equals 320 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Fort Smith to Riverton
See the map of the shortest flight path between Fort Smith Regional Airport (FSM) and Central Wyoming Regional Airport (RIW).
Airport information
| Origin | 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 |
| Destination | Central Wyoming Regional Airport |
|---|---|
| City: | Riverton, WY |
| Country: | United States |
| IATA Code: | RIW |
| ICAO Code: | KRIW |
| Coordinates: | 43°3′51″N, 108°27′35″W |