How far is Chicago, IL, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Chicago (Chicago O'Hare International Airport) is 589 miles / 947 kilometers / 512 nautical miles.
The driving distance from Washington D.C. (IAD) to Chicago (ORD) is 710 miles / 1142 kilometers, and travel time by car is about 13 hours 26 minutes.
Washington Dulles International Airport – Chicago O'Hare International Airport
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Distance from Washington D.C. to Chicago
There are several ways to calculate the distance from Washington D.C. to Chicago. Here are two standard methods:
Vincenty's formula (applied above)- 588.645 miles
- 947.332 kilometers
- 511.518 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- 587.448 miles
- 945.406 kilometers
- 510.478 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 Washington D.C. to Chicago?
The estimated flight time from Washington Dulles International Airport to Chicago O'Hare International Airport is 1 hour and 36 minutes.
What is the time difference between Washington D.C. and Chicago?
Flight carbon footprint between Washington Dulles International Airport (IAD) and Chicago O'Hare International Airport (ORD)
On average, flying from Washington D.C. to Chicago generates about 111 kg of CO2 per passenger, and 111 kilograms equals 245 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Washington D.C. to Chicago
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″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 |
Airlines flying from Washington D.C. (IAD) to Chicago (ORD)
| United Airlines |