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OSN to CXR: distance & flight time
Osan (Osan Air Base) → Nha Trang (Cam Ranh Airport)
2,055 mi
3,308 km · 1,786 nm
4h 30m
estimated nonstop flight time
-2h
time difference · heading southwest
See live OSN→CXR fares Phone-only fares on this route — call free
Flight time details
2,055 miles nonstop takes roughly 4h 30m 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
- CXR — Cam Ranh Airport · Nha Trang, 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 CXR
- NHA · Nha Trang Air Base16 mi away
- PHA · Phan Rang Airport31 mi away
- DLI · Lien Khuong Airport60 mi away
- TBB · Dong Tac Airport73 mi away
Frequently asked questions
How far is OSN from CXR?
The flight distance from Osan (OSN) to Nha Trang (CXR) is 2,055 miles (3,308 km, 1,786 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to CXR?
A nonstop flight takes about 4h 30m 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 Nha Trang?
Nha Trang is 2 hours behind Osan.
What is the cheapest way to fly from OSN to CXR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–CXR that never appear on search engines, with no booking fees.