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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–DTM that never appear on search engines, with no booking fees.