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OAK to GMP: distance & flight time
Oakland (Metropolitan Oakland International Airport) → Seoul (Gimpo International Airport)
5,629 mi
9,059 km · 4,891 nm
11h 30m
estimated nonstop flight time
+16h
time difference · heading northwest
See live OAK→GMP fares Phone-only fares on this route — call free
Flight time details
5,629 miles nonstop takes roughly 11h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time gain when reading arrival times on your ticket.
The two airports
- OAK — Metropolitan Oakland International Airport · Oakland, United States
- 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 OAK
- SFO · San Francisco International Airport11 mi away
- HWD · Hayward Executive Airport7 mi away
- NGZ · Alameda Naval Air Station7 mi away
- SQL · San Carlos Airport15 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 OAK from GMP?
The flight distance from Oakland (OAK) to Seoul (GMP) is 5,629 miles (9,059 km, 4,891 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OAK to GMP?
A nonstop flight takes about 11h 30m 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 Oakland and Seoul?
Seoul is 16 hours ahead of Oakland.
What is the cheapest way to fly from OAK to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OAK–GMP that never appear on search engines, with no booking fees.