Air Miles Calculator

Distance between St Louis, MO (STL) and Billings, MT (BIL)

Flight distance from St Louis to Billings (St. Louis Lambert International Airport – Billings Logan International Airport) is 1048 miles / 1686 kilometers / 911 nautical miles. Estimated flight time is 2 hours 29 minutes.

Driving distance from St Louis (STL) to Billings (BIL) is 1310 miles / 2109 kilometers and travel time by car is about 21 hours 16 minutes.

Map of flight path and driving directions from St Louis to Billings.

Shortest flight path between St. Louis Lambert International Airport (STL) and Billings Logan International Airport (BIL).

How far is Billings from St Louis?

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

Vincenty's formula (applied above)
  • 1047.809 miles
  • 1686.286 kilometers
  • 910.521 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
  • 1045.889 miles
  • 1683.195 kilometers
  • 908.853 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 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 Billings Logan International Airport
City: Billings, MT
Country: United States Flag of United States
IATA Code: BIL
ICAO Code: KBIL
Coordinates: 45°48′27″N, 108°32′34″W

Time difference and current local times

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

Time Difference

St Louis, MO

 CST

Billings, MT

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 154 kg (339 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Billings (BIL).

Distance:
1048
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1048

Round trip?