Distance From O'Hare International Airport to Dulles International Airport (ORD - IAD Distance)

The flight distance from O'Hare International Airport (ORD) to Dulles International Airport (IAD) is 588 miles. This is equivalent to 946 kilometers or 511 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.


946 kilometers is the distance from O'Hare International Airport, United States to Dulles International Airport, United States.


Flight Duration between Chicago, United States and Washington, United States

Estimated flight time from O'Hare International Airport, Chicago, United States to Dulles International Airport, Washington, United States is 1 hours 10 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • ORD - IAD

Time difference between Chicago (United States) and Washington (United States) is 1 Hours.
Current local time in Chicago is 2025-12-13, 19:37:38 CST and time in Washington is 2025-12-13, 20:37:38 EST.
Washington time is 1 Hours ahead of Chicago.

O'Hare International Airport to Dulles International Airport Flight Route Map - ORD to IAD Flight Path

Location of O'Hare International Airport & Dulles International Airport is given below.
Click the map to view Chicago to Washington nonstop flight path and travel direction.

Click to see flight route on Google Map between Chicago, United States and Washington, United States. .


Nonstop flight route between Chicago, United States and Washington, United States.
Get airport maps and more information about O'Hare International Airport O'Hare International Airport
City: Chicago
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
GPS Coordinates: Latitude: N 41° 58' 43'' Longitude: W 87° 54' 17.4''
Current time: 2025-12-13, 19:37:38 CST
Current weather: 15 day weather forecast for O'Hare International Airport O'Hare International Airport 15 day weather forecast
Get airport maps and more information about Dulles International Airport Dulles International Airport
City: Washington
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
GPS Coordinates: Latitude: N 38° 56' 40.3'' Longitude: W 77° 27' 20.9''
Current time: 2025-12-13, 20:37:38 EST
Current weather: 15 day weather forecast for Dulles International Airport Dulles International Airport 15 day weather forecast

Flights: Cheap flights with cashback