Air Miles Calculator

Distance between Lafayette, LA (LFT) and Rapid City, SD (RAP)

Flight distance from Lafayette to Rapid City (Lafayette Regional Airport – Rapid City Regional Airport) is 1131 miles / 1820 kilometers / 983 nautical miles. Estimated flight time is 2 hours 38 minutes.

Driving distance from Lafayette (LFT) to Rapid City (RAP) is 1475 miles / 2373 kilometers and travel time by car is about 24 hours 51 minutes.

Map of flight path and driving directions from Lafayette to Rapid City.

Shortest flight path between Lafayette Regional Airport (LFT) and Rapid City Regional Airport (RAP).

How far is Rapid City from Lafayette?

There are several ways to calculate distances between Lafayette and Rapid City. Here are two common methods:

Vincenty's formula (applied above)
  • 1130.986 miles
  • 1820.146 kilometers
  • 982.800 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 1131.780 miles
  • 1821.424 kilometers
  • 983.490 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).

Airport information


A Lafayette Regional Airport
City: Lafayette, LA
Country: United States Flag of United States
IATA Code: LFT
ICAO Code: KLFT
Coordinates: 30°12′19″N, 91°59′15″W

B 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

Time difference and current local times

The time difference between Lafayette and Rapid City is 1 hour. Rapid City is 1 hour behind Lafayette.

Time Difference

Lafayette, LA

 CDT

Rapid City, SD

 MDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 158 kg (349 pounds).

Frequent Flyer Miles Calculator

Lafayette (LFT) → Rapid City (RAP).

Distance:
1131
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1131

Round trip?