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DSM to KOS: distance & flight time
Des Moines (Des Moines International Airport) → Sihanoukville (Sihanoukville International Airport)
8,672 mi
13,956 km · 7,536 nm
17h 28m
estimated nonstop flight time
+12h
time difference · heading north
See live DSM→KOS fares Phone-only fares on this route — call free
Flight time details
8,672 miles nonstop takes roughly 17h 28m 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
- DSM — Des Moines International Airport · Des Moines, 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 DSM
- OTM · Ottumwa Regional Airport70 mi away
- FOD · Fort Dodge Regional Airport75 mi away
- ALO · Waterloo Regional Airport96 mi away
- CID · The Eastern Iowa Airport104 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 DSM from KOS?
The flight distance from Des Moines (DSM) to Sihanoukville (KOS) is 8,672 miles (13,956 km, 7,536 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSM to KOS?
A nonstop flight takes about 17h 28m 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 Des Moines and Sihanoukville?
Sihanoukville is 12 hours ahead of Des Moines.
What is the cheapest way to fly from DSM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSM–KOS that never appear on search engines, with no booking fees.