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SEM to KOS: distance & flight time
Selma (Craig Field) → Sihanoukville (Sihanoukville International Airport)
9,389 mi
15,110 km · 8,159 nm
18h 53m
estimated nonstop flight time
+12h
time difference · heading north
See live SEM→KOS fares Phone-only fares on this route — call free
Flight time details
9,389 miles nonstop takes roughly 18h 53m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- SEM — Craig Field · Selma, 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 SEM
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 SEM from KOS?
The flight distance from Selma (SEM) to Sihanoukville (KOS) is 9,389 miles (15,110 km, 8,159 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEM to KOS?
A nonstop flight takes about 18h 53m 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 Selma and Sihanoukville?
Sihanoukville is 12 hours ahead of Selma.
What is the cheapest way to fly from SEM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEM–KOS that never appear on search engines, with no booking fees.