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RCS to KOS: distance & flight time
Rochester (Rochester Airport) → Sihanoukville (Sihanoukville International Airport)
6,203 mi
9,983 km · 5,390 nm
12h 38m
estimated nonstop flight time
+6h
time difference · heading east
See live RCS→KOS fares Phone-only fares on this route — call free
Flight time details
6,203 miles nonstop takes roughly 12h 38m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- RCS — Rochester Airport · Rochester, United Kingdom
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 RCS
- LGW · London Gatwick Airport33 mi away
- LHR · London Heathrow Airport42 mi away
- SEN · Southend Airport17 mi away
- BQH · London Biggin Hill Airport20 mi away
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
Frequently asked questions
How far is RCS from KOS?
The flight distance from Rochester (RCS) to Sihanoukville (KOS) is 6,203 miles (9,983 km, 5,390 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCS to KOS?
A nonstop flight takes about 12h 38m 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 Rochester and Sihanoukville?
Sihanoukville is 6 hours ahead of Rochester.
What is the cheapest way to fly from RCS to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCS–KOS that never appear on search engines, with no booking fees.