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OIR to USN: distance & flight time
Okushiri (Okushiri Airport) → Ulsan (Ulsan Airport)
703 mi
1,131 km · 610 nm
2h
estimated nonstop flight time
Same time
time difference · heading southwest
See live OIR→USN fares Phone-only fares on this route — call free
Flight time details
703 miles nonstop takes roughly 2h gate to gate, flying southwest. 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
- OIR — Okushiri Airport · Okushiri, 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 OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 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 OIR from USN?
The flight distance from Okushiri (OIR) to Ulsan (USN) is 703 miles (1,131 km, 610 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OIR to USN?
A nonstop flight takes about 2h 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 OIR to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OIR–USN that never appear on search engines, with no booking fees.