Distance From Portsmouth International at Pease Airport to Osaka International Airport, PSM - ITM Distance

The distance from Portsmouth International at Pease Airport (PSM) to Osaka International Airport (ITM) is 6808 miles or 10956 kilometers or 5912 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 Portsmouth ( United States ) to Osaka ( Japan )?

A one-way nonstop (direct) flight between Portsmouth and Osaka takes around 15 hours 39 minutes.

Estimated flight time from Portsmouth International at Pease Airport, Portsmouth, United States to Osaka International Airport, Osaka, Japan is 15 hours 39 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 • PSM - ITM

Kilometers		10956 km
Statute Miles		6808 miles
Nautical Miles		5912 nm
Avg. Time of Flight		15 hours 39 minutes

Portsmouth International at Pease Airport to Osaka International Airport Flight Route Map - PSM to ITM Flight Path

Location of Portsmouth International at Pease Airport & Osaka International Airport is given below.
Click the map to view Portsmouth to Osaka nonstop flight path and travel direction.

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

Nonstop flight route between Portsmouth, United States and Osaka, Japan.

Time Difference Between the Airports • PSM - ITM

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

Location	Local Time
Portsmouth (United States)	2026-09-17, 07:42:18 EDT
Osaka (Japan)	2026-09-17, 20:42:18 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

Portsmouth International at Pease Airport (PSM / KPSM) Portsmouth, United States

Destination

Osaka International Airport (ITM / RJOO) Osaka, Japan