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How far is Riverton, WY, from Lewistown, MT?

The distance between Lewistown (Lewistown Municipal Airport) and Riverton (Central Wyoming Regional Airport) is 280 miles / 450 kilometers / 243 nautical miles.

The driving distance from Lewistown (LWT) to Riverton (RIW) is 375 miles / 603 kilometers, and travel time by car is about 8 hours 24 minutes.

Lewistown Municipal Airport – Central Wyoming Regional Airport

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280
Miles
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450
Kilometers
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243
Nautical miles

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Distance from Lewistown to Riverton

There are several ways to calculate the distance from Lewistown to Riverton. Here are two standard methods:

Vincenty's formula (applied above)
  • 279.562 miles
  • 449.912 kilometers
  • 242.933 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
  • 279.689 miles
  • 450.117 kilometers
  • 243.043 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 Lewistown to Riverton?

The estimated flight time from Lewistown Municipal Airport to Central Wyoming Regional Airport is 1 hour and 1 minutes.

What is the time difference between Lewistown and Riverton?

There is no time difference between Lewistown and Riverton.

Flight carbon footprint between Lewistown Municipal Airport (LWT) and Central Wyoming Regional Airport (RIW)

On average, flying from Lewistown to Riverton generates about 66 kg of CO2 per passenger, and 66 kilograms equals 146 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lewistown to Riverton

See the map of the shortest flight path between Lewistown Municipal Airport (LWT) and Central Wyoming Regional Airport (RIW).

Airport information

Origin Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″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