Air Miles Calculator

Distance between St Louis, MO (STL) and Idaho Falls, ID (IDA)

Distance from St Louis to Idaho Falls (St. Louis Lambert International Airport – Idaho Falls Regional Airport) is 1175 miles / 1891 kilometers / 1021 nautical miles.

How far is Idaho Falls from St Louis?

There are several ways to calculate distances between St Louis and Idaho Falls. Here are two common methods:

Vincenty's formula (applied above)
  • 1175.179 miles
  • 1891.268 kilometers
  • 1021.203 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
  • 1172.518 miles
  • 1886.985 kilometers
  • 1018.890 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).

Flight duration

Estimated flight time from St. Louis Lambert International Airport (STL) to Idaho Falls Regional Airport (IDA) is 2 hours 43 minutes.

Time difference and current local times

The time difference between St Louis and Idaho Falls is 1 hour. Idaho Falls is 1 hour behind St Louis.

Time Difference

St Louis
Idaho Falls

St Louis, MO

 CST

Idaho Falls, ID

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 160 kg (354 pounds).

Airport information


A St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W

B Idaho Falls Regional Airport
City: Idaho Falls, ID
Country: United States Flag of United States
IATA Code: IDA
ICAO Code: KIDA
Coordinates: 43°30′52″N, 112°4′15″W

Map

St Louis to Idaho Falls flight map.

Frequent Flyer Miles Calculator

St Louis (STL) → Idaho Falls (IDA).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1175
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1175

Round trip?