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

Flight distance from St Louis to Idaho Falls (St. Louis Lambert International Airport – Idaho Falls Regional Airport) is 1175 miles / 1891 kilometers / 1021 nautical miles. Estimated flight time is 2 hours 43 minutes.

Driving distance from St Louis (STL) to Idaho Falls (IDA) is 1385 miles / 2229 kilometers and travel time by car is about 24 hours 56 minutes.

St Louis – Idaho Falls

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1175
Miles
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1891
Kilometers
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1021
Nautical miles

How far is Idaho Falls from St Louis?

There are several ways to calculate distances between Los Angeles and Chicago. 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 to Idaho Falls Regional Airport is 2 hours 43 minutes.

Time difference

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

Carbon dioxide emissions

On average flying from St Louis to Idaho Falls generates about 160 kg of CO2 per passenger, 160 kilograms is equal to 354 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St Louis to Idaho Falls

Shortest flight path between St. Louis Lambert International Airport (STL) and Idaho Falls Regional Airport (IDA).

Airport information

Origin 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
Destination 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