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KOS to RMS: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Ramstein (Ramstein Air Base)
5,932 mi
9,547 km · 5,155 nm
12h 6m
estimated nonstop flight time
-5h
time difference · heading northwest
See live KOS→RMS fares Phone-only fares on this route — call free
Flight time details
5,932 miles nonstop takes roughly 12h 6m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- 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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 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 KOS from RMS?
The flight distance from Sihanoukville (KOS) to Ramstein (RMS) is 5,932 miles (9,547 km, 5,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to RMS?
A nonstop flight takes about 12h 6m 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 Sihanoukville and Ramstein?
Ramstein is 5 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to RMS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–RMS that never appear on search engines, with no booking fees.