# Distance between Washington D.C. (DCA) and Chicago, IL (ORD)

Flight distance from Washington D.C. to Chicago (Ronald Reagan Washington National Airport – Chicago O'Hare International Airport) is 612 miles / 985 kilometers / 532 nautical miles. Estimated flight time is 1 hour 39 minutes.

Driving distance from Washington D.C. (DCA) to Chicago (ORD) is 718 miles / 1156 kilometers and travel time by car is about 13 hours 28 minutes.

612
Miles
985
Kilometers
532
Nautical miles
1 h 39 min
114 kg

## How far is Chicago from Washington D.C.?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

## Flight Duration

Estimated flight time from Ronald Reagan Washington National Airport to Chicago O'Hare International Airport is 1 hour 39 minutes.

## Time difference

The time difference between Washington D.C. and Chicago is 1 hour. Chicago is 1 hour behind Washington D.C..
Washington D.C. time to Chicago time converter

## Carbon dioxide emissions

On average flying from Washington D.C. to Chicago generates about 114 kg of CO2 per passenger, 114 kilograms is equal to 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

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