How far is Rapid City from St Louis?
There are several ways to calculate distances between St Louis and Rapid City. Here are two common methods:Vincenty's formula (applied above)
- 752.616 miles
- 1211.219 kilometers
- 654.006 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
- 751.347 miles
- 1209.177 kilometers
- 652.903 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).
Estimated flight time from St. Louis Lambert International Airport (STL) to Rapid City Regional Airport (RAP) is 1 hour 55 minutes.
Time difference and current local times
The time difference between St Louis and Rapid City is 1 hour. Rapid City is 1 hour behind St Louis.
St Louis, MO
Rapid City, SD
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 130 kg (287 pounds).
St Louis to Rapid City flight map.
Frequent Flyer Miles Calculator
St Louis (STL) → Rapid City (RAP).