Distance From Osan Air Base to Osaka International Airport, OSN - ITM Distance

The distance from Osan Air Base (OSN) to Osaka International Airport (ITM) is 497 miles or 799 kilometers or 432 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 ( South Korea ) to Osaka ( Japan )?

A one-way nonstop (direct) flight between and Osaka takes around 1 hours 8 minutes.

Estimated flight time from Osan Air Base, , South Korea to Osaka International Airport, Osaka, Japan is 1 hours 8 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 • OSN - ITM

Kilometers		799 km
Statute Miles		497 miles
Nautical Miles		432 nm
Avg. Time of Flight		1 hours 8 minutes

Osan Air Base to Osaka International Airport Flight Route Map - OSN to ITM Flight Path

Location of Osan Air Base & Osaka International Airport is given below.
Click the map to view to Osaka nonstop flight path and travel direction.

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

Nonstop flight route between , South Korea and Osaka, Japan.

Time Difference Between the Airports • OSN - ITM

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

Location	Local Time
(South Korea)	2026-03-16, 17:21:07 KST
Osaka (Japan)	2026-03-16, 17:21:07 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

Osan Air Base (OSN / RKSO) , South Korea

Destination

Osaka International Airport (ITM / RJOO) Osaka, Japan