Distance From Osan Air Base to Helsinki Vantaa Airport, OSN - HEL Distance

The distance from Osan Air Base (OSN) to Helsinki Vantaa Airport (HEL) is 4409 miles or 7095 kilometers or 3829 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 ( South Korea ) to Helsinki ( Finland )?

A one-way nonstop (direct) flight between and Helsinki takes around 10 hours 8 minutes.

Estimated flight time from Osan Air Base, , South Korea to Helsinki Vantaa Airport, Helsinki, Finland is 10 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 - HEL

Kilometers		7095 km
Statute Miles		4409 miles
Nautical Miles		3829 nm
Avg. Time of Flight		10 hours 8 minutes

Osan Air Base to Helsinki Vantaa Airport Flight Route Map - OSN to HEL Flight Path

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

Click to see flight route on Google Map between , South Korea and Helsinki, Finland. .

Nonstop flight route between , South Korea and Helsinki, Finland.

Time Difference Between the Airports • OSN - HEL

Time difference between (South Korea) and Helsinki (Finland) is 6 Hours.
Helsinki time is 6 Hours behind .

Location	Local Time
(South Korea)	2026-09-17, 01:30:25 KST
Helsinki (Finland)	2026-09-16, 19:30:25 EEST

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

Helsinki Vantaa Airport (HEL / EFHK) Helsinki, Finland