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OSY to USN: distance & flight time
Namsos (Namsos Høknesøra Airport) → Ulsan (Ulsan Airport)
4,752 mi
7,648 km · 4,130 nm
9h 47m
estimated nonstop flight time
+7h
time difference · heading northeast
See live OSY→USN fares Phone-only fares on this route — call free
Flight time details
4,752 miles nonstop takes roughly 9h 47m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- OSY — Namsos Høknesøra Airport · Namsos, Norway
- 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 OSY
- RVK · Rørvik Airport, Ryum28 mi away
- BNN · Brønnøysund Airport71 mi away
- TRD · Trondheim Airport Værnes73 mi away
- OLA · Ørland Airport80 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 OSY from USN?
The flight distance from Namsos (OSY) to Ulsan (USN) is 4,752 miles (7,648 km, 4,130 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSY to USN?
A nonstop flight takes about 9h 47m 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 Namsos and Ulsan?
Ulsan is 7 hours ahead of Namsos.
What is the cheapest way to fly from OSY to USN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSY–USN that never appear on search engines, with no booking fees.