Distance From Hospital de Sao Teotonio heliport to Washington Dulles International Airport

The distance from Hospital de Sao Teotonio heliport () to Washington Dulles International Airport (IAD) is 3593 miles or 5783 kilometers or 3120 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.

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How long does it take to travel from Viseu ( Portugal ) to Dulles ( United States )?

A one-way nonstop (direct) flight between Viseu and Dulles takes around 8 hours 15 minutes.

Estimated flight time from Hospital de Sao Teotonio heliport, Viseu, Portugal to Washington Dulles International Airport, Dulles, United States is 8 hours 15 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 • - IAD

Kilometers		5783 km
Statute Miles		3593 miles
Nautical Miles		3120 nm
Avg. Time of Flight		8 hours 15 minutes

Hospital de Sao Teotonio heliport to Washington Dulles International Airport Flight Route Map - to IAD Flight Path

Location of Hospital de Sao Teotonio heliport & Washington Dulles International Airport is given below.
Click the map to view Viseu to Dulles nonstop flight path and travel direction.

Click to see flight route on Google Map between Viseu, Portugal and Dulles, United States. .

Nonstop flight route between Viseu, Portugal and Dulles, United States.

Time Difference Between the Airports • - IAD

Time difference between Viseu (Portugal) and Dulles (United States) is 4 Hours.
Dulles time is 4 Hours behind Viseu.

Location	Local Time
Viseu (Portugal)	2026-03-21, 01:42:02 WET
Dulles (United States)	2026-03-20, 21:42:02 EDT

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

Hospital de Sao Teotonio heliport ( / LPTT) Viseu, Portugal

Destination

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