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OSN to TMI: distance & flight time
Osan (Osan Air Base) → Tumling Tar (Tumling Tar Airport)
2,406 mi
3,872 km · 2,091 nm
5h 11m
estimated nonstop flight time
-3.2h
time difference · heading west
See live OSN→TMI fares Phone-only fares on this route — call free
Flight time details
2,406 miles nonstop takes roughly 5h 11m 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
- TMI — Tumling Tar Airport · Tumling Tar, 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 TMI
- BHP · Bhojpur Airport15 mi away
- TPJ · Taplejung Airport31 mi away
- LDN · Lamidanda Airport32 mi away
- LUA · Lukla Airport38 mi away
Frequently asked questions
How far is OSN from TMI?
The flight distance from Osan (OSN) to Tumling Tar (TMI) is 2,406 miles (3,872 km, 2,091 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to TMI?
A nonstop flight takes about 5h 11m 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 Tumling Tar?
Tumling Tar is 3.2 hours behind Osan.
What is the cheapest way to fly from OSN to TMI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–TMI that never appear on search engines, with no booking fees.