Need help booking?
Unpublished phone-only deals available
DCM to GMP: distance & flight time
Castres (Castres-Mazamet Airport) → Seoul (Gimpo International Airport)
5,843 mi
9,404 km · 5,078 nm
11h 55m
estimated nonstop flight time
+7h
time difference · heading northeast
See live DCM→GMP fares Phone-only fares on this route — call free
Flight time details
5,843 miles nonstop takes roughly 11h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- DCM — Castres-Mazamet Airport · Castres, France
- 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 DCM
- CCF · Carcassonne Airport24 mi away
- LBI · Albi-Le Séquestre Airport26 mi away
- TLS · Toulouse-Blagnac Airport47 mi away
- XMW · Montauban Airport56 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 DCM from GMP?
The flight distance from Castres (DCM) to Seoul (GMP) is 5,843 miles (9,404 km, 5,078 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCM to GMP?
A nonstop flight takes about 11h 55m 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 Castres and Seoul?
Seoul is 7 hours ahead of Castres.
What is the cheapest way to fly from DCM to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCM–GMP that never appear on search engines, with no booking fees.