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UNN to KOS: distance & flight time
Ranong (Ranong Airport) → Sihanoukville (Sihanoukville International Airport)
348 mi
560 km · 302 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading east
See live UNN→KOS fares Phone-only fares on this route — call free
Flight time details
348 miles nonstop takes roughly 1h 23m 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
- UNN — Ranong Airport · Ranong, Thailand
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Near KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 mi away
Frequently asked questions
How far is UNN from KOS?
The flight distance from Ranong (UNN) to Sihanoukville (KOS) is 348 miles (560 km, 302 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to KOS?
A nonstop flight takes about 1h 23m 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 UNN to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–KOS that never appear on search engines, with no booking fees.