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OSN to RMS: distance & flight time
Osan (Osan Air Base) → Ramstein (Ramstein Air Base)
5,408 mi
8,703 km · 4,699 nm
11h 4m
estimated nonstop flight time
-7h
time difference · heading northwest
See live OSN→RMS fares Phone-only fares on this route — call free
Flight time details
5,408 miles nonstop takes roughly 11h 4m 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
- RMS — Ramstein Air Base · Ramstein, 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 RMS
- ZQW · Zweibrücken Airport18 mi away
- FRA · Frankfurt am Main Airport60 mi away
- SCN · Saarbrücken Airport27 mi away
- HHN · Frankfurt-Hahn Airport38 mi away
Frequently asked questions
How far is OSN from RMS?
The flight distance from Osan (OSN) to Ramstein (RMS) is 5,408 miles (8,703 km, 4,699 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OSN to RMS?
A nonstop flight takes about 11h 4m 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 Ramstein?
Ramstein is 7 hours behind Osan.
What is the cheapest way to fly from OSN to RMS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OSN–RMS that never appear on search engines, with no booking fees.