Distance From JASDF Unishima Sub Base Heliport to Osaka International Airport

The distance from JASDF Unishima Sub Base Heliport () to Osaka International Airport (ITM) is 341 miles or 548 kilometers or 296 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 Tsushima ( Japan ) to Osaka ( Japan )?

A one-way nonstop (direct) flight between Tsushima and Osaka takes around 0 hours 46 minutes.

Estimated flight time from JASDF Unishima Sub Base Heliport, Tsushima, Japan to Osaka International Airport, Osaka, Japan is 0 hours 46 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		548 km
Statute Miles		341 miles
Nautical Miles		296 nm
Avg. Time of Flight		0 hours 46 minutes

JASDF Unishima Sub Base Heliport to Osaka International Airport Flight Route Map - to ITM Flight Path

Location of JASDF Unishima Sub Base Heliport & Osaka International Airport is given below.
Click the map to view Tsushima to Osaka nonstop flight path and travel direction.

Click to see flight route on Google Map between Tsushima, Japan and Osaka, Japan. .

Nonstop flight route between Tsushima, Japan and Osaka, Japan.

Time Difference Between the Airports • - ITM

Time difference between Tsushima (Japan) and Osaka (Japan) is 0 Hours.

Location	Local Time
Tsushima (Japan)	2026-08-04, 02:16:25 JST
Osaka (Japan)	2026-08-04, 02:16:25 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

JASDF Unishima Sub Base Heliport ( / ) Tsushima, Japan

Destination

Osaka International Airport (ITM / RJOO) Osaka, Japan