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DTM to OSN: distance & flight time
Dortmund (Dortmund Airport) → Osan (Osan Air Base)
5,307 mi
8,540 km · 4,611 nm
10h 52m
estimated nonstop flight time
+7h
time difference · heading northeast
See live DTM→OSN fares Phone-only fares on this route — call free
Flight time details
5,307 miles nonstop takes roughly 10h 52m 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
- DTM — Dortmund Airport · Dortmund, 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 DTM
- ESS · Essen Mulheim Airport30 mi away
- DUS · Düsseldorf Airport40 mi away
- GUT · Gütersloh Air Base41 mi away
- FMO · Münster Osnabrück Airport43 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 DTM from OSN?
The flight distance from Dortmund (DTM) to Osan (OSN) is 5,307 miles (8,540 km, 4,611 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DTM to OSN?
A nonstop flight takes about 10h 52m 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 Dortmund and Osan?
Osan is 7 hours ahead of Dortmund.
What is the cheapest way to fly from DTM to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DTM–OSN that never appear on search engines, with no booking fees.