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OSN to GLU: distance & flight time
Osan (Osan Air Base) → Gelephu (Gelephu Airport)
2,240 mi
3,605 km · 1,947 nm
4h 52m
estimated nonstop flight time
—
time difference · heading west
See live OSN→GLU fares Phone-only fares on this route — call free
Flight time details
2,240 miles nonstop takes roughly 4h 52m 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
- GLU — Gelephu Airport · Gelephu, Bhutan
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 GLU
- BUT · Bathpalathang Airport50 mi away
- COH · Cooch Behar Airport73 mi away
- PBH · Paro Airport73 mi away
- GAU · Lokpriya Gopinath Bordoloi International Airport88 mi away
Frequently asked questions
How far is OSN from GLU?
The flight distance from Osan (OSN) to Gelephu (GLU) is 2,240 miles (3,605 km, 1,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to GLU?
A nonstop flight takes about 4h 52m 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 GLU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–GLU that never appear on search engines, with no booking fees.