Air Miles Calculator

Distance between St Louis, MO (STL) and Flagstaff, AZ (FLG)

Flight distance from St Louis to Flagstaff (St. Louis Lambert International Airport – Flagstaff Pulliam Airport) is 1202 miles / 1935 kilometers / 1045 nautical miles. Estimated flight time is 2 hours 46 minutes.

Driving distance from St Louis (STL) to Flagstaff (FLG) is 1366 miles / 2199 kilometers and travel time by car is about 22 hours 32 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Flagstaff Pulliam Airport (FLG).

How far is Flagstaff from St Louis?

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

Vincenty's formula (applied above)
  • 1202.073 miles
  • 1934.548 kilometers
  • 1044.573 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
  • 1199.499 miles
  • 1930.406 kilometers
  • 1042.336 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 Flagstaff Pulliam Airport
City: Flagstaff, AZ
Country: United States Flag of United States
IATA Code: FLG
ICAO Code: KFLG
Coordinates: 35°8′18″N, 111°40′15″W

Time difference and current local times

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

Time Difference

St Louis, MO

 CST

Flagstaff, AZ

 MST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 162 kg (356 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Flagstaff (FLG).

Distance:
1202
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1202

Round trip?