Need help booking?
Unpublished phone-only deals available
OSN to TPJ: distance & flight time
Osan (Osan Air Base) → Taplejung (Taplejung Airport)
2,377 mi
3,826 km · 2,066 nm
5h 8m
estimated nonstop flight time
-3.2h
time difference · heading west
See live OSN→TPJ fares Phone-only fares on this route — call free
Flight time details
2,377 miles nonstop takes roughly 5h 8m 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
- TPJ — Taplejung Airport · Taplejung, 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 TPJ
- TMI · Tumling Tar Airport31 mi away
- BHP · Bhojpur Airport42 mi away
- BDP · Bhadrapur Airport59 mi away
- IXB · Bagdogra Airport61 mi away
Frequently asked questions
How far is OSN from TPJ?
The flight distance from Osan (OSN) to Taplejung (TPJ) is 2,377 miles (3,826 km, 2,066 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to TPJ?
A nonstop flight takes about 5h 8m 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 Taplejung?
Taplejung is 3.2 hours behind Osan.
What is the cheapest way to fly from OSN to TPJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–TPJ that never appear on search engines, with no booking fees.