Map of flight path and driving directions from Spokane to Champaign.
Shortest flight path between Spokane International Airport (GEG) and University of Illinois Willard Airport (CMI).
How far is Champaign from Spokane?
There are several ways to calculate distances between Spokane and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 1541.997 miles
- 2481.604 kilometers
- 1339.959 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
- 1538.428 miles
- 2475.860 kilometers
- 1336.857 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 Spokane and Champaign is 2 hours. Champaign is 2 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 182 kg (402 pounds).
Frequent Flyer Miles Calculator
Spokane (GEG) → Champaign (CMI).