How far is Seattle, WA, from Champaign, IL?
The distance between Champaign (University of Illinois Willard Airport) and Seattle (Seattle–Tacoma International Airport) is 1763 miles / 2836 kilometers / 1532 nautical miles.
The driving distance from Champaign (CMI) to Seattle (SEA) is 2123 miles / 3416 kilometers, and travel time by car is about 37 hours 34 minutes.
University of Illinois Willard Airport – Seattle–Tacoma International Airport
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Distance from Champaign to Seattle
There are several ways to calculate the distance from Champaign to Seattle. Here are two standard methods:
Vincenty's formula (applied above)- 1762.515 miles
- 2836.494 kilometers
- 1531.584 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1758.255 miles
- 2829.638 kilometers
- 1527.882 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).
How long does it take to fly from Champaign to Seattle?
The estimated flight time from University of Illinois Willard Airport to Seattle–Tacoma International Airport is 3 hours and 50 minutes.
What is the time difference between Champaign and Seattle?
The time difference between Champaign and Seattle is 2 hours. Seattle is 2 hours behind Champaign.
Flight carbon footprint between University of Illinois Willard Airport (CMI) and Seattle–Tacoma International Airport (SEA)
On average, flying from Champaign to Seattle generates about 197 kg of CO2 per passenger, and 197 kilograms equals 435 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Champaign to Seattle
See the map of the shortest flight path between University of Illinois Willard Airport (CMI) and Seattle–Tacoma International Airport (SEA).
Airport information
| Origin | University of Illinois Willard Airport |
|---|---|
| City: | Champaign, IL |
| Country: | United States  |
| IATA Code: | CMI |
| ICAO Code: | KCMI |
| Coordinates: | 40°2′21″N, 88°16′41″W |
| Destination | Seattle–Tacoma International Airport |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | SEA |
| ICAO Code: | KSEA |
| Coordinates: | 47°26′56″N, 122°18′32″W |