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CAT to GMP: distance & flight time
Cascais (Cascais Airport) → Seoul (Gimpo International Airport)
6,474 mi
10,420 km · 5,626 nm
13h 10m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CAT→GMP fares Phone-only fares on this route — call free
Flight time details
6,474 miles nonstop takes roughly 13h 10m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- CAT — Cascais Airport · Cascais, Portugal
- 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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 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 CAT from GMP?
The flight distance from Cascais (CAT) to Seoul (GMP) is 6,474 miles (10,420 km, 5,626 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CAT to GMP?
A nonstop flight takes about 13h 10m 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 Cascais and Seoul?
Seoul is 8 hours ahead of Cascais.
What is the cheapest way to fly from CAT to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CAT–GMP that never appear on search engines, with no booking fees.