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DSO to OIR: distance & flight time
Hamhung (Sondok Airport) → Okushiri (Okushiri Airport)
644 mi
1,037 km · 560 nm
1h 52m
estimated nonstop flight time
Same time
time difference · heading east
See live DSO→OIR fares Phone-only fares on this route — call free
Flight time details
644 miles nonstop takes roughly 1h 52m gate to gate, flying east. 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
- DSO — Sondok Airport · Hamhung, North Korea
- OIR — Okushiri Airport · Okushiri, Japan
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 DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 mi away
Near OIR
- HKD · Hakodate Airport74 mi away
- AOJ · Aomori Airport113 mi away
- OKD · Okadama Airport123 mi away
- CTS · New Chitose Airport125 mi away
Frequently asked questions
How far is DSO from OIR?
The flight distance from Hamhung (DSO) to Okushiri (OIR) is 644 miles (1,037 km, 560 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSO to OIR?
A nonstop flight takes about 1h 52m 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 DSO to OIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSO–OIR that never appear on search engines, with no booking fees.