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OKA to USN: distance & flight time
Okinawa (Naha Airport) → Ulsan (Ulsan Airport)
657 mi
1,058 km · 571 nm
1h 54m
estimated nonstop flight time
Same time
time difference · heading north
See live OKA→USN fares Phone-only fares on this route — call free
Flight time details
657 miles nonstop takes roughly 1h 54m gate to gate, flying north. 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
- OKA — Naha Airport · Okinawa, Japan
- USN — Ulsan Airport · Ulsan, 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 OKA
- DNA · Kadena Air Base13 mi away
- KJP · Kerama Airport22 mi away
- AGJ · Aguni Airport37 mi away
- IEJ · Ie Jima Airport37 mi away
Near USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 mi away
Frequently asked questions
How far is OKA from USN?
The flight distance from Okinawa (OKA) to Ulsan (USN) is 657 miles (1,058 km, 571 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OKA to USN?
A nonstop flight takes about 1h 54m 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 OKA to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OKA–USN that never appear on search engines, with no booking fees.