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DSO to KOS: distance & flight time
Hamhung (Sondok Airport) → Sihanoukville (Sihanoukville International Airport)
2,489 mi
4,006 km · 2,163 nm
5h 21m
estimated nonstop flight time
-2h
time difference · heading southwest
See live DSO→KOS fares Phone-only fares on this route — call free
Flight time details
2,489 miles nonstop takes roughly 5h 21m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- DSO — Sondok Airport · Hamhung, North Korea
- 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 DSO
- WOS · Wonsan Kalma International Airport40 mi away
- FNJ · Pyongyang Sunan International Airport103 mi away
- YNY · Yangyang International Airport133 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 DSO from KOS?
The flight distance from Hamhung (DSO) to Sihanoukville (KOS) is 2,489 miles (4,006 km, 2,163 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DSO to KOS?
A nonstop flight takes about 5h 21m 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 Hamhung and Sihanoukville?
Sihanoukville is 2 hours behind Hamhung.
What is the cheapest way to fly from DSO to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DSO–KOS that never appear on search engines, with no booking fees.