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BIS to OSN: distance & flight time
Bismarck (Bismarck Municipal Airport) → Osan (Osan Air Base)
5,932 mi
9,547 km · 5,155 nm
12h 6m
estimated nonstop flight time
+14h
time difference · heading northwest
See live BIS→OSN fares Phone-only fares on this route — call free
Flight time details
5,932 miles nonstop takes roughly 12h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- BIS — Bismarck Municipal Airport · Bismarck, United States
- OSN — Osan Air Base · Osan, South Korea
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near BIS
- MBG · Mobridge Municipal Airport86 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport97 mi away
- JMS · Jamestown Regional Airport98 mi away
- MOT · Minot International Airport106 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is BIS from OSN?
The flight distance from Bismarck (BIS) to Osan (OSN) is 5,932 miles (9,547 km, 5,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIS to OSN?
A nonstop flight takes about 12h 6m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Bismarck and Osan?
Osan is 14 hours ahead of Bismarck.
What is the cheapest way to fly from BIS to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIS–OSN that never appear on search engines, with no booking fees.