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OSN to RJB: distance & flight time
Osan (Osan Air Base) → Rajbiraj (Rajbiraj Airport)
2,456 mi
3,953 km · 2,134 nm
5h 17m
estimated nonstop flight time
—
time difference · heading west
See live OSN→RJB fares Phone-only fares on this route — call free
Flight time details
2,456 miles nonstop takes roughly 5h 17m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- RJB — Rajbiraj Airport · Rajbiraj, Nepal
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 RJB
- BIR · Biratnagar Airport33 mi away
- BHP · Bhojpur Airport48 mi away
- LDN · Lamidanda Airport51 mi away
- JKR · Janakpur Airport52 mi away
Frequently asked questions
How far is OSN from RJB?
The flight distance from Osan (OSN) to Rajbiraj (RJB) is 2,456 miles (3,953 km, 2,134 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to RJB?
A nonstop flight takes about 5h 17m 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 cheapest way to fly from OSN to RJB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–RJB that never appear on search engines, with no booking fees.