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OSN to AAH: distance & flight time
Osan (Osan Air Base) → Aachen (Aachen-Merzbrück Airport)
5,384 mi
8,665 km · 4,679 nm
11h 1m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSN→AAH fares Phone-only fares on this route — call free
Flight time details
5,384 miles nonstop takes roughly 11h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- OSN — Osan Air Base · Osan, South Korea
- AAH — Aachen-Merzbrück Airport · Aachen, Germany
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 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
Near AAH
- GKE · Geilenkirchen Air Base11 mi away
- MST · Maastricht Aachen Airport19 mi away
- MGL · Mönchengladbach Airport31 mi away
- LGG · Liège Airport35 mi away
Frequently asked questions
How far is OSN from AAH?
The flight distance from Osan (OSN) to Aachen (AAH) 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 OSN to AAH?
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 Osan and Aachen?
Aachen is 7 hours behind Osan.
What is the cheapest way to fly from OSN to AAH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–AAH that never appear on search engines, with no booking fees.