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OSN to RUM: distance & flight time
Osan (Osan Air Base) → Rumjatar (Rumjatar Airport)
2,441 mi
3,929 km · 2,122 nm
5h 15m
estimated nonstop flight time
-3.2h
time difference · heading west
See live OSN→RUM fares Phone-only fares on this route — call free
Flight time details
2,441 miles nonstop takes roughly 5h 15m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- RUM — Rumjatar Airport · Rumjatar, 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 RUM
- LDN · Lamidanda Airport8 mi away
- PPL · Phaplu Airport15 mi away
- LUA · Lukla Airport29 mi away
- RHP · Ramechhap Airport31 mi away
Frequently asked questions
How far is OSN from RUM?
The flight distance from Osan (OSN) to Rumjatar (RUM) is 2,441 miles (3,929 km, 2,122 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to RUM?
A nonstop flight takes about 5h 15m 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 Rumjatar?
Rumjatar is 3.2 hours behind Osan.
What is the cheapest way to fly from OSN to RUM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–RUM that never appear on search engines, with no booking fees.