Air Miles Calculator

Distance between St Louis, MO (STL) and Monroe, LA (MLU)

Flight distance from St Louis to Monroe (St. Louis Lambert International Airport – Monroe Regional Airport) is 440 miles / 708 kilometers / 382 nautical miles. Estimated flight time is 1 hour 20 minutes.

Driving distance from St Louis (STL) to Monroe (MLU) is 547 miles / 881 kilometers and travel time by car is about 10 hours 11 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Monroe Regional Airport (MLU).

How far is Monroe from St Louis?

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

Vincenty's formula (applied above)
  • 440.150 miles
  • 708.354 kilometers
  • 382.480 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
  • 441.024 miles
  • 709.760 kilometers
  • 383.240 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 Monroe Regional Airport
City: Monroe, LA
Country: United States Flag of United States
IATA Code: MLU
ICAO Code: KMLU
Coordinates: 32°30′39″N, 92°2′15″W

Time difference and current local times

There is no time difference between St Louis and Monroe.

Time Difference

St Louis, MO

 CST

Monroe, LA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 90 kg (198 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Monroe (MLU).

Distance:
440
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
440

Round trip?