Air Miles Calculator

Distance between Seattle, WA (BFI) and Champaign, IL (CMI)

Flight distance from Seattle to Champaign (Seattle Boeing Field – University of Illinois Willard Airport) is 1763 miles / 2837 kilometers / 1532 nautical miles. Estimated flight time is 3 hours 50 minutes.

Driving distance from Seattle (BFI) to Champaign (CMI) is 2155 miles / 3468 kilometers and travel time by car is about 35 hours 21 minutes.

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).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″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 Seattle and Champaign is 2 hours. Champaign is 2 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Champaign, IL

 CST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 197 kg (435 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Champaign (CMI).

Distance:
1763
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1763

Round trip?