Map of flight path and driving directions from Redmond to Champaign.
Shortest flight path between Roberts Field (RDM) and University of Illinois Willard Airport (CMI).
How far is Champaign from Redmond?
There are several ways to calculate distances between Redmond and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 1701.518 miles
- 2738.328 kilometers
- 1478.579 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
- 1697.240 miles
- 2731.443 kilometers
- 1474.861 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 Redmond and Champaign is 2 hours. Champaign is 2 hours ahead of Redmond.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 193 kg (425 pounds).
Frequent Flyer Miles Calculator
Redmond (RDM) → Champaign (CMI).