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AAH to OSN: distance & flight time
Aachen (Aachen-Merzbrück Airport) → Osan (Osan Air Base)
5,384 mi
8,665 km · 4,679 nm
11h 1m
estimated nonstop flight time
+7h
time difference · heading northeast
See live AAH→OSN fares Phone-only fares on this route — call free
Flight time details
5,384 miles nonstop takes roughly 11h 1m 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
- AAH — Aachen-Merzbrück Airport · Aachen, 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 AAH
- GKE · Geilenkirchen Air Base11 mi away
- MST · Maastricht Aachen Airport19 mi away
- MGL · Mönchengladbach Airport31 mi away
- LGG · Liège Airport35 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 AAH from OSN?
The flight distance from Aachen (AAH) to Osan (OSN) is 5,384 miles (8,665 km, 4,679 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AAH to OSN?
A nonstop flight takes about 11h 1m 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 Aachen and Osan?
Osan is 7 hours ahead of Aachen.
What is the cheapest way to fly from AAH to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AAH–OSN that never appear on search engines, with no booking fees.