How far is Lewistown, MT, from Rapid City, SD?
The distance between Rapid City (Rapid City Regional Airport) and Lewistown (Lewistown Municipal Airport) is 374 miles / 601 kilometers / 325 nautical miles.
The driving distance from Rapid City (RAP) to Lewistown (LWT) is 454 miles / 731 kilometers, and travel time by car is about 9 hours 43 minutes.
Rapid City Regional Airport – Lewistown Municipal Airport
Search flights
Distance from Rapid City to Lewistown
There are several ways to calculate the distance from Rapid City to Lewistown. 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 Rapid City to Lewistown?
The estimated flight time from Rapid City Regional Airport to Lewistown Municipal Airport is 1 hour and 12 minutes.
What is the time difference between Rapid City and Lewistown?
There is no time difference between Rapid City and Lewistown.
Flight carbon footprint between Rapid City Regional Airport (RAP) and Lewistown Municipal Airport (LWT)
On average, flying from Rapid City to Lewistown 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 Rapid City to Lewistown
See the map of the shortest flight path between Rapid City Regional Airport (RAP) and Lewistown Municipal Airport (LWT).
Airport information
| Origin | Rapid City Regional Airport |
|---|---|
| City: | Rapid City, SD |
| Country: | United States  |
| IATA Code: | RAP |
| ICAO Code: | KRAP |
| Coordinates: | 44°2′43″N, 103°3′25″W |
| Destination | Lewistown Municipal Airport |
|---|---|
| City: | Lewistown, MT |
| Country: | United States |
| IATA Code: | LWT |
| ICAO Code: | KLWT |
| Coordinates: | 47°2′57″N, 109°28′1″W |