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GMP to APC: distance & flight time
Seoul (Gimpo International Airport) → Napa (Napa County Airport)
5,604 mi
9,019 km · 4,870 nm
11h 27m
estimated nonstop flight time
-16h
time difference · heading northeast
See live GMP→APC fares Phone-only fares on this route — call free
Flight time details
5,604 miles nonstop takes roughly 11h 27m 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
- APC — Napa County Airport · Napa, 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 APC
- SFO · San Francisco International Airport41 mi away
- NOT · Marin County Airport - Gnoss Field16 mi away
- SUU · Travis Air Force Base20 mi away
- CCR · Buchanan Field20 mi away
Frequently asked questions
How far is GMP from APC?
The flight distance from Seoul (GMP) to Napa (APC) is 5,604 miles (9,019 km, 4,870 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GMP to APC?
A nonstop flight takes about 11h 27m 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 Napa?
Napa is 16 hours behind Seoul.
What is the cheapest way to fly from GMP to APC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GMP–APC that never appear on search engines, with no booking fees.