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GWT to OSN: distance & flight time
Westerland (Westerland Sylt Airport) → Osan (Osan Air Base)
5,122 mi
8,243 km · 4,451 nm
10h 31m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GWT→OSN fares Phone-only fares on this route — call free
Flight time details
5,122 miles nonstop takes roughly 10h 31m 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
- GWT — Westerland Sylt Airport · Westerland, Germany
- OSN — Osan Air Base · Osan, 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 GWT
- FLF · Flensburg-Schäferhaus Airport42 mi away
- SKS · Skrydstrup Air Base42 mi away
- EBJ · Esbjerg Airport43 mi away
- PSH · St. Peter-Ording Airport44 mi away
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is GWT from OSN?
The flight distance from Westerland (GWT) to Osan (OSN) is 5,122 miles (8,243 km, 4,451 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GWT to OSN?
A nonstop flight takes about 10h 31m 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 Westerland and Osan?
Osan is 7 hours ahead of Westerland.
What is the cheapest way to fly from GWT to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GWT–OSN that never appear on search engines, with no booking fees.