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OPO to GMP: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Seoul (Gimpo International Airport)
6,310 mi
10,154 km · 5,483 nm
12h 50m
estimated nonstop flight time
+8h
time difference · heading northeast
See live OPO→GMP fares Phone-only fares on this route — call free
Flight time details
6,310 miles nonstop takes roughly 12h 50m 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
- OPO — Francisco de Sá Carneiro Airport · Porto, 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 OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 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 OPO from GMP?
The flight distance from Porto (OPO) to Seoul (GMP) is 6,310 miles (10,154 km, 5,483 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to GMP?
A nonstop flight takes about 12h 50m 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 Porto and Seoul?
Seoul is 8 hours ahead of Porto.
What is the cheapest way to fly from OPO to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–GMP that never appear on search engines, with no booking fees.