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OSN to BBU: distance & flight time
Osan (Osan Air Base) → Bucharest (Băneasa International Airport)
4,950 mi
7,967 km · 4,302 nm
10h 10m
estimated nonstop flight time
-6h
time difference · heading northwest
See live OSN→BBU fares Phone-only fares on this route — call free
Flight time details
4,950 miles nonstop takes roughly 10h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- BBU — Băneasa International Airport · Bucharest, Romania
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 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
Near BBU
- OTP · Henri Coandă International Airport5 mi away
- GOZ · Gorna Oryahovitsa Airport95 mi away
- CRA · Craiova Airport110 mi away
- CND · Mihail Kogălniceanu International Airport118 mi away
Frequently asked questions
How far is OSN from BBU?
The flight distance from Osan (OSN) to Bucharest (BBU) is 4,950 miles (7,967 km, 4,302 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to BBU?
A nonstop flight takes about 10h 10m 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 Osan and Bucharest?
Bucharest is 6 hours behind Osan.
What is the cheapest way to fly from OSN to BBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–BBU that never appear on search engines, with no booking fees.