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DPA to KOS: distance & flight time
West Chicago (Dupage Airport) → Sihanoukville (Sihanoukville International Airport)
8,733 mi
14,054 km · 7,588 nm
17h 35m
estimated nonstop flight time
+12h
time difference · heading north
See live DPA→KOS fares Phone-only fares on this route — call free
Flight time details
8,733 miles nonstop takes roughly 17h 35m 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
- DPA — Dupage Airport · West Chicago, 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 DPA
- ORD · Chicago O'Hare International Airport18 mi away
- LOT · Lewis University Airport22 mi away
- PWK · Chicago Executive Airport23 mi away
- MDW · Chicago Midway International Airport27 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 DPA from KOS?
The flight distance from West Chicago (DPA) to Sihanoukville (KOS) is 8,733 miles (14,054 km, 7,588 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DPA to KOS?
A nonstop flight takes about 17h 35m 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 West Chicago and Sihanoukville?
Sihanoukville is 12 hours ahead of West Chicago.
What is the cheapest way to fly from DPA to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DPA–KOS that never appear on search engines, with no booking fees.