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How far is Riverton, WY, from Fort Smith?

The distance between Fort Smith (Fort Smith Airport) and Riverton (Central Wyoming Regional Airport) is 1181 miles / 1901 kilometers / 1027 nautical miles.

The driving distance from Fort Smith (YSM) to Riverton (RIW) is 1479 miles / 2380 kilometers, and travel time by car is about 34 hours 14 minutes.

Fort Smith Airport – Central Wyoming Regional Airport

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1181
Miles
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1901
Kilometers
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1027
Nautical miles

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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)
  • 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 Fort Smith to Riverton?

The estimated flight time from Fort Smith Airport to Central Wyoming Regional Airport is 2 hours and 44 minutes.

What is the time difference between Fort Smith and Riverton?

There is no time difference between Fort Smith and Riverton.

Flight carbon footprint between Fort Smith Airport (YSM) and Central Wyoming Regional Airport (RIW)

On average, flying from Fort Smith to Riverton 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 Fort Smith to Riverton

See the map of the shortest flight path between Fort Smith Airport (YSM) and Central Wyoming Regional Airport (RIW).

Airport information

Origin Fort Smith Airport
City: Fort Smith
Country: Canada Flag of Canada
IATA Code: YSM
ICAO Code: CYSM
Coordinates: 60°1′13″N, 111°57′43″W
Destination Central Wyoming Regional Airport
City: Riverton, WY
Country: United States Flag of United States
IATA Code: RIW
ICAO Code: KRIW
Coordinates: 43°3′51″N, 108°27′35″W