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OSN to BEX: distance & flight time
Osan (Osan Air Base) → Benson (RAF Benson)
5,554 mi
8,939 km · 4,827 nm
11h 21m
estimated nonstop flight time
-8h
time difference · heading northwest
See live OSN→BEX fares Phone-only fares on this route — call free
Flight time details
5,554 miles nonstop takes roughly 11h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- BEX — RAF Benson · Benson, United Kingdom
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 BEX
- LHR · London Heathrow Airport29 mi away
- LGW · London Gatwick Airport51 mi away
- HYC · Wycombe Air Park12 mi away
- OXF · Oxford (Kidlington) Airport18 mi away
Frequently asked questions
How far is OSN from BEX?
The flight distance from Osan (OSN) to Benson (BEX) is 5,554 miles (8,939 km, 4,827 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to BEX?
A nonstop flight takes about 11h 21m 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 Benson?
Benson is 8 hours behind Osan.
What is the cheapest way to fly from OSN to BEX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–BEX that never appear on search engines, with no booking fees.