Map of flight path and driving directions from Chicago to Aspen.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Aspen–Pitkin County Airport (ASE).
How far is Aspen from Chicago?
There are several ways to calculate distances between Chicago and Aspen. Here are two common methods:Vincenty's formula (applied above)
- 1013.140 miles
- 1630.490 kilometers
- 880.394 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
- 1010.711 miles
- 1626.581 kilometers
- 878.284 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
The time difference between Chicago and Aspen is 1 hour. Aspen is 1 hour behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 152 kg (334 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Aspen (ASE).