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How far is Lewistown, MT, from Rock Springs, WY?

The distance between Rock Springs (Southwest Wyoming Regional Airport) and Lewistown (Lewistown Municipal Airport) is 377 miles / 607 kilometers / 328 nautical miles.

The driving distance from Rock Springs (RKS) to Lewistown (LWT) is 518 miles / 833 kilometers, and travel time by car is about 11 hours 58 minutes.

Southwest Wyoming Regional Airport – Lewistown Municipal Airport

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377
Miles
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607
Kilometers
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328
Nautical miles

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Distance from Rock Springs to Lewistown

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

Vincenty's formula (applied above)
  • 377.177 miles
  • 607.008 kilometers
  • 327.758 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
  • 377.434 miles
  • 607.420 kilometers
  • 327.981 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 Rock Springs to Lewistown?

The estimated flight time from Southwest Wyoming Regional Airport to Lewistown Municipal Airport is 1 hour and 12 minutes.

What is the time difference between Rock Springs and Lewistown?

There is no time difference between Rock Springs and Lewistown.

Flight carbon footprint between Southwest Wyoming Regional Airport (RKS) and Lewistown Municipal Airport (LWT)

On average, flying from Rock Springs to Lewistown generates about 81 kg of CO2 per passenger, and 81 kilograms equals 178 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Rock Springs to Lewistown

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

Airport information

Origin Southwest Wyoming Regional Airport
City: Rock Springs, WY
Country: United States Flag of United States
IATA Code: RKS
ICAO Code: KRKS
Coordinates: 41°35′39″N, 109°3′54″W
Destination 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