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UNN to GMP: distance & flight time
Ranong (Ranong Airport) → Seoul (Gimpo International Airport)
2,600 mi
4,184 km · 2,259 nm
5h 34m
estimated nonstop flight time
+2h
time difference · heading northeast
See live UNN→GMP fares Phone-only fares on this route — call free
Flight time details
2,600 miles nonstop takes roughly 5h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- UNN — Ranong Airport · Ranong, Thailand
- GMP — Gimpo International Airport · Seoul, South Korea
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 GMP
- ICN · Incheon International Airport20 mi away
- SSN · Seoul Air Base (K-16)19 mi away
- SWU · Suwon Airport25 mi away
- OSN · Osan Air Base35 mi away
Frequently asked questions
How far is UNN from GMP?
The flight distance from Ranong (UNN) to Seoul (GMP) is 2,600 miles (4,184 km, 2,259 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from UNN to GMP?
A nonstop flight takes about 5h 34m 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 Ranong and Seoul?
Seoul is 2 hours ahead of Ranong.
What is the cheapest way to fly from UNN to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on UNN–GMP that never appear on search engines, with no booking fees.