Distance From Osan Air Base to Brunei International Airport, OSN - BWN Distance

The distance from Osan Air Base (OSN) to Brunei International Airport (BWN) is 2350 miles or 3781 kilometers or 2040 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 Bandar Seri Begawan ( Brunei )?

A one-way nonstop (direct) flight between and Bandar Seri Begawan takes around 5 hours 24 minutes.

Estimated flight time from Osan Air Base, , South Korea to Brunei International Airport, Bandar Seri Begawan, Brunei is 5 hours 24 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 - BWN

Kilometers		3781 km
Statute Miles		2350 miles
Nautical Miles		2040 nm
Avg. Time of Flight		5 hours 24 minutes

Osan Air Base to Brunei International Airport Flight Route Map - OSN to BWN Flight Path

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

Click to see flight route on Google Map between , South Korea and Bandar Seri Begawan, Brunei. .

Nonstop flight route between , South Korea and Bandar Seri Begawan, Brunei.

Time Difference Between the Airports • OSN - BWN

Time difference between (South Korea) and Bandar Seri Begawan (Brunei) is 1 Hours.
Bandar Seri Begawan time is 1 Hours behind .

Location	Local Time
(South Korea)	2026-06-16, 01:59:34 KST
Bandar Seri Begawan (Brunei)	2026-06-16, 00:59:34 +08

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

Brunei International Airport (BWN / WBSB) Bandar Seri Begawan, Brunei