Map of flight path and driving directions from Chicago to Pullman.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Pullman–Moscow Regional Airport (PUW).
How far is Pullman from Chicago?
There are several ways to calculate distances between Chicago and Pullman. Here are two common methods:Vincenty's formula (applied above)
- 1474.473 miles
- 2372.934 kilometers
- 1281.282 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
- 1470.669 miles
- 2366.812 kilometers
- 1277.976 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 Pullman is 2 hours. Pullman is 2 hours behind Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (392 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Pullman (PUW).