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OSN to NHA: distance & flight time
Osan (Osan Air Base) → Nhatrang (Nha Trang Air Base)
2,042 mi
3,287 km · 1,775 nm
4h 28m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→NHA fares Phone-only fares on this route — call free
Flight time details
2,042 miles nonstop takes roughly 4h 28m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- NHA — Nha Trang Air Base · Nhatrang, Vietnam
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 NHA
- CXR · Cam Ranh Airport16 mi away
- PHA · Phan Rang Airport44 mi away
- TBB · Dong Tac Airport58 mi away
- DLI · Lien Khuong Airport65 mi away
Frequently asked questions
How far is OSN from NHA?
The flight distance from Osan (OSN) to Nhatrang (NHA) is 2,042 miles (3,287 km, 1,775 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to NHA?
A nonstop flight takes about 4h 28m 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 Nhatrang?
Nhatrang is 2 hours behind Osan.
What is the cheapest way to fly from OSN to NHA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–NHA that never appear on search engines, with no booking fees.