Distance From National Harbor Heliport to Osaka International Airport

The distance from National Harbor Heliport () to Osaka International Airport (ITM) is 6946 miles or 11178 kilometers or 6032 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 Oxon Hill ( United States ) to Osaka ( Japan )?

A one-way nonstop (direct) flight between Oxon Hill and Osaka takes around 15 hours 58 minutes.

Estimated flight time from National Harbor Heliport, Oxon Hill, United States to Osaka International Airport, Osaka, Japan is 15 hours 58 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 • - ITM

Kilometers		11178 km
Statute Miles		6946 miles
Nautical Miles		6032 nm
Avg. Time of Flight		15 hours 58 minutes

National Harbor Heliport to Osaka International Airport Flight Route Map - to ITM Flight Path

Location of National Harbor Heliport & Osaka International Airport is given below.
Click the map to view Oxon Hill to Osaka nonstop flight path and travel direction.

Click to see flight route on Google Map between Oxon Hill, United States and Osaka, Japan. .

Nonstop flight route between Oxon Hill, United States and Osaka, Japan.

Time Difference Between the Airports • - ITM

Time difference between Oxon Hill (United States) and Osaka (Japan) is 13 Hours.
Osaka time is 13 Hours ahead of Oxon Hill.

Location	Local Time
Oxon Hill (United States)	2026-08-08, 01:46:42 EDT
Osaka (Japan)	2026-08-08, 14:46:42 JST

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

National Harbor Heliport ( / 77MD) Oxon Hill, United States

Destination

Osaka International Airport (ITM / RJOO) Osaka, Japan