Air Miles Calculator

Distance between St Louis, MO (STL) and Waterloo, IA (ALO)

Flight distance from St Louis to Waterloo (St. Louis Lambert International Airport – Waterloo Regional Airport) is 284 miles / 456 kilometers / 246 nautical miles. Estimated flight time is 1 hour 2 minutes.

Driving distance from St Louis (STL) to Waterloo (ALO) is 329 miles / 529 kilometers and travel time by car is about 6 hours 5 minutes.

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

Shortest flight path between St. Louis Lambert International Airport (STL) and Waterloo Regional Airport (ALO).

How far is Waterloo from St Louis?

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

Vincenty's formula (applied above)
  • 283.596 miles
  • 456.403 kilometers
  • 246.438 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
  • 283.818 miles
  • 456.761 kilometers
  • 246.631 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 Waterloo Regional Airport
City: Waterloo, IA
Country: United States Flag of United States
IATA Code: ALO
ICAO Code: KALO
Coordinates: 42°33′25″N, 92°24′1″W

Time difference and current local times

There is no time difference between St Louis and Waterloo.

Time Difference

St Louis, MO

 CDT

Waterloo, IA

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 67 kg (147 pounds).

Frequent Flyer Miles Calculator

St Louis (STL) → Waterloo (ALO).

Distance:
284
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
284

Round trip?