Need help booking?
Unpublished phone-only deals available
KAG to OPO: distance & flight time
Kangnung (Gangneung Airport (K-18)) → Porto (Francisco de Sá Carneiro Airport)
6,359 mi
10,234 km · 5,526 nm
12h 56m
estimated nonstop flight time
-8h
time difference · heading northwest
See live KAG→OPO fares Phone-only fares on this route — call free
Flight time details
6,359 miles nonstop takes roughly 12h 56m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- KAG — Gangneung Airport (K-18) · Kangnung, South Korea
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
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 KAG
- YNY · Yangyang International Airport26 mi away
- WJU · Wonju/Hoengseong Air Base (K-38/K-46)58 mi away
- YEC · Yecheon Airbase84 mi away
- ICN · Incheon International Airport138 mi away
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
Frequently asked questions
How far is KAG from OPO?
The flight distance from Kangnung (KAG) to Porto (OPO) is 6,359 miles (10,234 km, 5,526 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KAG to OPO?
A nonstop flight takes about 12h 56m 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 Kangnung and Porto?
Porto is 8 hours behind Kangnung.
What is the cheapest way to fly from KAG to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KAG–OPO that never appear on search engines, with no booking fees.