Air Miles Calculator

Distance between Duluth, MN (DLH) and Waterloo, IA (ALO)

Flight distance from Duluth to Waterloo (Duluth International Airport – Waterloo Regional Airport) is 296 miles / 476 kilometers / 257 nautical miles. Estimated flight time is 1 hour 3 minutes.

Driving distance from Duluth (DLH) to Waterloo (ALO) is 345 miles / 555 kilometers and travel time by car is about 6 hours 27 minutes.

Map of flight path and driving directions from Duluth to Waterloo.

Shortest flight path between Duluth International Airport (DLH) and Waterloo Regional Airport (ALO).

How far is Waterloo from Duluth?

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

Vincenty's formula (applied above)
  • 296.056 miles
  • 476.456 kilometers
  • 257.266 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
  • 296.239 miles
  • 476.750 kilometers
  • 257.425 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 Duluth International Airport
City: Duluth, MN
Country: United States Flag of United States
IATA Code: DLH
ICAO Code: KDLH
Coordinates: 46°50′31″N, 92°11′36″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 Duluth and Waterloo.

Time Difference

Duluth, MN

 CST

Waterloo, IA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 69 kg (151 pounds).

Frequent Flyer Miles Calculator

Duluth (DLH) → Waterloo (ALO).

Distance:
296
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
296

Round trip?