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USM to NHA: distance & flight time
Ko Samui (Samui Airport) → Nhatrang (Nha Trang Air Base)
646 mi
1,040 km · 562 nm
1h 52m
estimated nonstop flight time
Same time
time difference · heading east
See live USM→NHA fares Phone-only fares on this route — call free
Flight time details
646 miles nonstop takes roughly 1h 52m gate to gate, flying east. 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
- USM — Samui Airport · Ko Samui, Thailand
- 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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 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 USM from NHA?
The flight distance from Ko Samui (USM) to Nhatrang (NHA) is 646 miles (1,040 km, 562 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to NHA?
A nonstop flight takes about 1h 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 USM to NHA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–NHA that never appear on search engines, with no booking fees.