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GMP to NGZ: distance & flight time
Seoul (Gimpo International Airport) → Alameda (Alameda Naval Air Station)
5,622 mi
9,047 km · 4,885 nm
11h 29m
estimated nonstop flight time
-16h
time difference · heading northeast
See live GMP→NGZ fares Phone-only fares on this route — call free
Flight time details
5,622 miles nonstop takes roughly 11h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- GMP — Gimpo International Airport · Seoul, South Korea
- NGZ — Alameda Naval Air Station · Alameda, United States
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 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
Near NGZ
- SFO · San Francisco International Airport12 mi away
- OAK · Metropolitan Oakland International Airport7 mi away
- HWD · Hayward Executive Airport14 mi away
- SQL · San Carlos Airport20 mi away
Frequently asked questions
How far is GMP from NGZ?
The flight distance from Seoul (GMP) to Alameda (NGZ) is 5,622 miles (9,047 km, 4,885 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to NGZ?
A nonstop flight takes about 11h 29m 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 Seoul and Alameda?
Alameda is 16 hours behind Seoul.
What is the cheapest way to fly from GMP to NGZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–NGZ that never appear on search engines, with no booking fees.