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OIT to GMP: distance & flight time
Oita (Oita Airport) → Seoul (Gimpo International Airport)
396 mi
637 km · 344 nm
1h 31m
estimated nonstop flight time
Same time
time difference · heading northwest
See live OIT→GMP fares Phone-only fares on this route — call free
Flight time details
396 miles nonstop takes roughly 1h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OIT — Oita Airport · Oita, Japan
- 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 OIT
- UBJ · Yamaguchi Ube Airport41 mi away
- KKJ · Kitakyūshū Airport48 mi away
- IWK · Iwakuni Marine Corps Air Station54 mi away
- MYJ · Matsuyama Airport60 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 OIT from GMP?
The flight distance from Oita (OIT) to Seoul (GMP) is 396 miles (637 km, 344 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIT to GMP?
A nonstop flight takes about 1h 31m 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 cheapest way to fly from OIT to GMP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIT–GMP that never appear on search engines, with no booking fees.