Air Miles Calculator

Distance between Spokane, WA (GEG) and Champaign, IL (CMI)

Flight distance from Spokane to Champaign (Spokane International Airport – University of Illinois Willard Airport) is 1542 miles / 2482 kilometers / 1340 nautical miles. Estimated flight time is 3 hours 25 minutes.

Driving distance from Spokane (GEG) to Champaign (CMI) is 1880 miles / 3025 kilometers and travel time by car is about 30 hours 37 minutes.

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).

Airport information


A Spokane International Airport
City: Spokane, WA
Country: United States Flag of United States
IATA Code: GEG
ICAO Code: KGEG
Coordinates: 47°37′11″N, 117°32′2″W

B University of Illinois Willard Airport
City: Champaign, IL
Country: United States Flag of United States
IATA Code: CMI
ICAO Code: KCMI
Coordinates: 40°2′21″N, 88°16′41″W

Time difference and current local times

The time difference between Spokane and Champaign is 2 hours. Champaign is 2 hours ahead of Spokane.

Time Difference

Spokane, WA

 PST

Champaign, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 182 kg (402 pounds).

Frequent Flyer Miles Calculator

Spokane (GEG) → Champaign (CMI).

Distance:
1542
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1542

Round trip?