Map of flight path and driving directions from Seattle to Champaign.
Shortest flight path between Seattle Boeing Field (BFI) and University of Illinois Willard Airport (CMI).
How far is Champaign from Seattle?
There are several ways to calculate distances between Seattle and Champaign. Here are two common methods:Vincenty's formula (applied above)
- 1762.613 miles
- 2836.651 kilometers
- 1531.669 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
- 1758.360 miles
- 2829.806 kilometers
- 1527.973 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 Seattle and Champaign is 2 hours. Champaign is 2 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 197 kg (435 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Champaign (CMI).