How far is Chicago, IL, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Chicago (Chicago O'Hare International Airport) is 1720 miles / 2768 kilometers / 1495 nautical miles.
The driving distance from Seattle (BFI) to Chicago (ORD) is 2033 miles / 3272 kilometers, and travel time by car is about 35 hours 57 minutes.
Seattle Boeing Field – Chicago O'Hare International Airport
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Distance from Seattle to Chicago
There are several ways to calculate the distance from Seattle to Chicago. Here are two standard methods:
Vincenty's formula (applied above)- 1720.232 miles
- 2768.445 kilometers
- 1494.841 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- 1715.751 miles
- 2761.234 kilometers
- 1490.947 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 Seattle to Chicago?
The estimated flight time from Seattle Boeing Field to Chicago O'Hare International Airport is 3 hours and 45 minutes.
What is the time difference between Seattle and Chicago?
The time difference between Seattle and Chicago is 2 hours. Chicago is 2 hours ahead of Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) and Chicago O'Hare International Airport (ORD)
On average, flying from Seattle to Chicago generates about 194 kg of CO2 per passenger, and 194 kilograms equals 428 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Seattle to Chicago
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| Destination | Chicago O'Hare International Airport |
|---|---|
| City: | Chicago, IL |
| Country: | United States |
| IATA Code: | ORD |
| ICAO Code: | KORD |
| Coordinates: | 41°58′42″N, 87°54′17″W |