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).
Time difference and current local times
There is no time difference between Chicago and Waterloo.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 59 kg (131 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Waterloo (ALO).