# Distance between Seattle, WA (BFI) and Chicago, IL (MDW)

Flight distance from Seattle to Chicago (Seattle Boeing Field – Chicago Midway International Airport) is 1733 miles / 2789 kilometers / 1506 nautical miles. Estimated flight time is 3 hours 46 minutes.

Driving distance from Seattle (BFI) to Chicago (MDW) is 2107 miles / 3391 kilometers and travel time by car is about 34 hours 15 minutes.

## Map of flight path and driving directions from Seattle to Chicago.

Shortest flight path between Seattle Boeing Field (BFI) and Chicago Midway International Airport (MDW).

## How far is Chicago from Seattle?

There are several ways to calculate distances between Seattle and Chicago. Here are two common methods:

Vincenty's formula (applied above)
• 1732.955 miles
• 2788.921 kilometers
• 1505.897 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
• 1728.468 miles
• 2781.700 kilometers
• 1501.998 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
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B 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

## Time difference and current local times

The time difference between Seattle and Chicago is 2 hours. Chicago is 2 hours ahead of Seattle.

PDT

CDT

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 195 kg (430 pounds).

## Frequent Flyer Miles Calculator

Seattle (BFI) → Chicago (MDW).

Distance:
1733
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
1733

Round trip?