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GMP to CJM: distance & flight time
Seoul (Gimpo International Airport) → Chumphon (Chumphon Airport)
2,517 mi
4,050 km · 2,187 nm
5h 24m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GMP→CJM fares Phone-only fares on this route — call free
Flight time details
2,517 miles nonstop takes roughly 5h 24m 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
- GMP — Gimpo International Airport · Seoul, South Korea
- CJM — Chumphon Airport · Chumphon, 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 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
Near CJM
- VBP · Bokpyinn Airport52 mi away
- KAW · Kawthoung Airport72 mi away
- UNN · Ranong Airport83 mi away
- USM · Samui Airport93 mi away
Frequently asked questions
How far is GMP from CJM?
The flight distance from Seoul (GMP) to Chumphon (CJM) is 2,517 miles (4,050 km, 2,187 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to CJM?
A nonstop flight takes about 5h 24m 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 Seoul and Chumphon?
Chumphon is 2 hours behind Seoul.
What is the cheapest way to fly from GMP to CJM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–CJM that never appear on search engines, with no booking fees.