How far is Chicago, IL, from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Chicago (Chicago Midway International Airport) is 1733 miles / 2789 kilometers / 1506 nautical miles.

The driving distance from Seattle (SEA) to Chicago (MDW) is 2054 miles / 3305 kilometers, and travel time by car is about 36 hours 24 minutes.

1733
Miles
2789
Kilometers
1506
Nautical miles
3 h 46 min
195 kg

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)
• 1733.255 miles
• 2789.403 kilometers
• 1506.157 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
• 1728.763 miles
• 2782.174 kilometers
• 1502.254 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–Tacoma International Airport to Chicago Midway International Airport is 3 hours and 46 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Chicago Midway International Airport (MDW)

On average, flying from Seattle to Chicago generates about 195 kg of CO2 per passenger, and 195 kilograms equals 430 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–Tacoma International Airport (SEA) and Chicago Midway International Airport (MDW).

Airport information

Origin 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
Destination Chicago Midway International Airport
City: Chicago, IL
Country: United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W