Distance From Dulles International Airport to Porto Airport (IAD - OPO Distance)

The flight distance from Dulles International Airport (IAD) to Porto Airport (OPO) is 3540 miles. This is equivalent to 5697 kilometers or 3074 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.


5697 kilometers is the distance from Dulles International Airport, United States to Porto Airport, Portugal.

Flight Duration between Washington, United States and Porto, Portugal

Estimated flight time from Dulles International Airport, Washington, United States to Porto Airport, Porto, Portugal is 7 hours 5 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 • IAD - OPO

Time difference between Washington (United States) and Porto (Portugal) is 5 Hours.
Current local time in Washington is 2026-09-29, 18:56:15 EDT and time in Porto is 2026-09-29, 23:56:15 WEST.
Porto time is 5 Hours ahead of Washington.

Dulles International Airport to Porto Airport Flight Route Map - IAD to OPO Flight Path

Location of Dulles International Airport & Porto Airport is given below.
Click the map to view Washington to Porto nonstop flight route path and travel direction.

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


Nonstop flight route between Washington, United States and Porto, Portugal.
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: 2026-09-29, 18:56:15 EDT
Current weather: 15 day weather forecast for Dulles International Airport Dulles International Airport 15 day weather forecast
Get airport maps and more information about Porto Airport Porto Airport
City: Porto
Country: Portugal Flag of Portugal
IATA Code: OPO
ICAO Code: LPPR
GPS Coordinates: Latitude: N 41° 14' 53.2'' Longitude: W 8° 40' 53''
Current time: 2026-09-29, 23:56:15 WEST
Current weather: 15 day weather forecast for Porto Airport Porto Airport 15 day weather forecast

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