How far is Chicago, IL, from Washington D.C.?
The distance between Washington D.C. (Ronald Reagan Washington National Airport) and Chicago (Chicago O'Hare International Airport) is 612 miles / 985 kilometers / 532 nautical miles.
The driving distance from Washington D.C. (DCA) to Chicago (ORD) is 718 miles / 1155 kilometers, and travel time by car is about 13 hours 33 minutes.
Ronald Reagan Washington National 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)- 611.819 miles
- 984.627 kilometers
- 531.656 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- 610.572 miles
- 982.620 kilometers
- 530.573 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 Ronald Reagan Washington National Airport to Chicago O'Hare International Airport is 1 hour and 39 minutes.
What is the time difference between Washington D.C. and Chicago?
Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Chicago O'Hare International Airport (ORD)
On average, flying from Washington D.C. to Chicago generates about 114 kg of CO2 per passenger, and 114 kilograms equals 252 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 Ronald Reagan Washington National Airport (DCA) and Chicago O'Hare International Airport (ORD).
Airport information
| Origin | Ronald Reagan Washington National Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States  |
| IATA Code: | DCA |
| ICAO Code: | KDCA |
| Coordinates: | 38°51′7″N, 77°2′15″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. (DCA) to Chicago (ORD)
| American Airlines |
| United Airlines |