Distance From Old Harbor Airport to Washington Dulles International Airport, OLH - IAD Distance

The distance from Old Harbor Airport (OLH) to Washington Dulles International Airport (IAD) is 3512 miles or 5652 kilometers or 3050 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

---

How long does it take to travel from Old Harbor ( United States ) to Dulles ( United States )?

A one-way nonstop (direct) flight between Old Harbor and Dulles takes around 8 hours 4 minutes.

Estimated flight time from Old Harbor Airport, Old Harbor, United States to Washington Dulles International Airport, Dulles, United States is 8 hours 4 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • OLH - IAD

Kilometers		5652 km
Statute Miles		3512 miles
Nautical Miles		3050 nm
Avg. Time of Flight		8 hours 4 minutes

Old Harbor Airport to Washington Dulles International Airport Flight Route Map - OLH to IAD Flight Path

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

Click to see flight route on Google Map between Old Harbor, United States and Dulles, United States. .

Nonstop flight route between Old Harbor, United States and Dulles, United States.

Time Difference Between the Airports • OLH - IAD

Time difference between Old Harbor (United States) and Dulles (United States) is 4 Hours.
Dulles time is 4 Hours ahead of Old Harbor.

Location	Local Time
Old Harbor (United States)	2025-12-14, 21:35:29 AKST
Dulles (United States)	2025-12-15, 01:35:29 EST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Old Harbor Airport (OLH / ) Old Harbor, United States

Destination

Washington Dulles International Airport (IAD / KIAD) Dulles, United States