How far is Chicago from Washington D.C.?
There are several ways to calculate distances between Washington D.C. and Chicago. Here are two common methods:Vincenty's formula (applied above)
- 577.259 miles
- 929.008 kilometers
- 501.624 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
- 576.064 miles
- 927.085 kilometers
- 500.586 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).
Estimated flight time from Washington Dulles International Airport (IAD) to Midway International Airport (MDW) is 1 hour 35 minutes.
Time difference and current local times
The time difference between Washington D.C. and Chicago is 1 hour. Chicago is 1 hour behind Washington D.C..
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 110 kg (242 pounds).
Washington D.C. to Chicago flight path
Shortest flight path between Washington Dulles International Airport (IAD) and Midway International Airport (MDW).
Frequent Flyer Miles Calculator
Washington D.C. (IAD) → Chicago (MDW).