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USN to OSH: distance & flight time
Ulsan (Ulsan Airport) → Oshkosh (Wittman Regional Airport)
6,446 mi
10,374 km · 5,601 nm
13h 6m
estimated nonstop flight time
-14h
time difference · heading northeast
See live USN→OSH fares Phone-only fares on this route — call free
Flight time details
6,446 miles nonstop takes roughly 13h 6m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- OSH — Wittman Regional Airport · Oshkosh, United States
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 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
Near OSH
- FLD · Fond du Lac County Airport15 mi away
- ATW · Appleton International Airport19 mi away
- SBM · Sheboygan County Memorial Airport38 mi away
- GRB · Austin Straubel International Airport41 mi away
Frequently asked questions
How far is USN from OSH?
The flight distance from Ulsan (USN) to Oshkosh (OSH) is 6,446 miles (10,374 km, 5,601 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to OSH?
A nonstop flight takes about 13h 6m 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 Ulsan and Oshkosh?
Oshkosh is 14 hours behind Ulsan.
What is the cheapest way to fly from USN to OSH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–OSH that never appear on search engines, with no booking fees.