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FMH to KOS: distance & flight time
Falmouth (Cape Cod Coast Guard Air Station) → Sihanoukville (Sihanoukville International Airport)
8,808 mi
14,176 km · 7,654 nm
17h 44m
estimated nonstop flight time
+11h
time difference · heading north
See live FMH→KOS fares Phone-only fares on this route — call free
Flight time details
8,808 miles nonstop takes roughly 17h 44m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- FMH — Cape Cod Coast Guard Air Station · Falmouth, United States
- 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 FMH
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 FMH from KOS?
The flight distance from Falmouth (FMH) to Sihanoukville (KOS) is 8,808 miles (14,176 km, 7,654 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FMH to KOS?
A nonstop flight takes about 17h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from FMH to KOS?
Nonstop service on FMH–KOS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 17h 44m nonstop estimate.
What is the time difference between Falmouth and Sihanoukville?
Sihanoukville is 11 hours ahead of Falmouth.
What is the cheapest way to fly from FMH to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FMH–KOS that never appear on search engines, with no booking fees.
Why are some FMH to KOS fares phone-only?
Consolidator contracts let us sell certain FMH–KOS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.