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USN to UNN: distance & flight time
Ulsan (Ulsan Airport) → Ranong (Ranong Airport)
2,629 mi
4,232 km · 2,285 nm
5h 37m
estimated nonstop flight time
-2h
time difference · heading southwest
See live USN→UNN fares Phone-only fares on this route — call free
Flight time details
2,629 miles nonstop takes roughly 5h 37m 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
- USN — Ulsan Airport · Ulsan, South Korea
- UNN — Ranong Airport · Ranong, Thailand
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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Near UNN
- KAW · Kawthoung Airport19 mi away
- URT · Surat Thani Airport58 mi away
- CJM · Chumphon Airport83 mi away
- VBP · Bokpyinn Airport95 mi away
Frequently asked questions
How far is USN from UNN?
The flight distance from Ulsan (USN) to Ranong (UNN) is 2,629 miles (4,232 km, 2,285 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to UNN?
A nonstop flight takes about 5h 37m 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 Ulsan and Ranong?
Ranong is 2 hours behind Ulsan.
What is the cheapest way to fly from USN to UNN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–UNN that never appear on search engines, with no booking fees.