Air Miles Calculator

Distance between Chicago, IL (ORD) and Waterloo, IA (ALO)

Flight distance from Chicago to Waterloo (Chicago O'Hare International Airport – Waterloo Regional Airport) is 234 miles / 376 kilometers / 203 nautical miles. Estimated flight time is 56 minutes.

Driving distance from Chicago (ORD) to Waterloo (ALO) is 260 miles / 418 kilometers and travel time by car is about 5 hours 8 minutes.

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

Shortest flight path between Chicago O'Hare International Airport (ORD) and Waterloo Regional Airport (ALO).

How far is Waterloo from Chicago?

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

Vincenty's formula (applied above)
  • 233.864 miles
  • 376.367 kilometers
  • 203.222 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
  • 233.273 miles
  • 375.417 kilometers
  • 202.709 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 Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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 Chicago and Waterloo.

Time Difference

Chicago, IL

 CST

Waterloo, IA

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 59 kg (131 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Waterloo (ALO).

Distance:
234
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
234

Round trip?