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How far is Rapid City, SD, from Lewistown, MT?

The distance between Lewistown (Lewistown Municipal Airport) and Rapid City (Rapid City Regional Airport) is 374 miles / 601 kilometers / 325 nautical miles.

The driving distance from Lewistown (LWT) to Rapid City (RAP) is 454 miles / 731 kilometers, and travel time by car is about 9 hours 47 minutes.

Lewistown Municipal Airport – Rapid City Regional Airport

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374
Miles
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601
Kilometers
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325
Nautical miles

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Distance from Lewistown to Rapid City

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

Vincenty's formula (applied above)
  • 373.689 miles
  • 601.394 kilometers
  • 324.727 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
  • 373.014 miles
  • 600.308 kilometers
  • 324.141 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 Rapid City?

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

What is the time difference between Lewistown and Rapid City?

There is no time difference between Lewistown and Rapid City.

Flight carbon footprint between Lewistown Municipal Airport (LWT) and Rapid City Regional Airport (RAP)

On average, flying from Lewistown to Rapid City generates about 80 kg of CO2 per passenger, and 80 kilograms equals 176 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 Rapid City

See the map of the shortest flight path between Lewistown Municipal Airport (LWT) and Rapid City Regional Airport (RAP).

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 Rapid City Regional Airport
City: Rapid City, SD
Country: United States Flag of United States
IATA Code: RAP
ICAO Code: KRAP
Coordinates: 44°2′43″N, 103°3′25″W