How far is Fort Smith from Riverton, WY?
The distance between Riverton (Central Wyoming Regional Airport) and Fort Smith (Fort Smith Airport) is 1181 miles / 1901 kilometers / 1027 nautical miles.
The driving distance from Riverton (RIW) to Fort Smith (YSM) is 1478 miles / 2379 kilometers, and travel time by car is about 34 hours 9 minutes.
Central Wyoming Regional Airport – Fort Smith Airport
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Distance from Riverton to Fort Smith
There are several ways to calculate the distance from Riverton to Fort Smith. Here are two standard methods:
Vincenty's formula (applied above)- 1181.477 miles
- 1901.403 kilometers
- 1026.675 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- 1180.773 miles
- 1900.271 kilometers
- 1026.064 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 Riverton to Fort Smith?
The estimated flight time from Central Wyoming Regional Airport to Fort Smith Airport is 2 hours and 44 minutes.
What is the time difference between Riverton and Fort Smith?
There is no time difference between Riverton and Fort Smith.
Flight carbon footprint between Central Wyoming Regional Airport (RIW) and Fort Smith Airport (YSM)
On average, flying from Riverton to Fort Smith generates about 161 kg of CO2 per passenger, and 161 kilograms equals 354 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Riverton to Fort Smith
See the map of the shortest flight path between Central Wyoming Regional Airport (RIW) and Fort Smith Airport (YSM).
Airport information
| Origin | 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 |
| Destination | Fort Smith Airport |
|---|---|
| City: | Fort Smith |
| Country: | Canada  |
| IATA Code: | YSM |
| ICAO Code: | CYSM |
| Coordinates: | 60°1′13″N, 111°57′43″W |