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KOS to KKS: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Kashan (Kashan Airport)
3,651 mi
5,875 km · 3,172 nm
7h 38m
estimated nonstop flight time
-3.5h
time difference · heading northwest
See live KOS→KKS fares Phone-only fares on this route — call free
Flight time details
3,651 miles nonstop takes roughly 7h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3.5-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- KKS — Kashan Airport · Kashan, Iran
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 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
Near KKS
- IFH · Hesa Airport67 mi away
- IFN · Esfahan Shahid Beheshti International Airport81 mi away
- AJK · Arak Airport100 mi away
- IKA · Imam Khomeini International Airport108 mi away
Frequently asked questions
How far is KOS from KKS?
The flight distance from Sihanoukville (KOS) to Kashan (KKS) is 3,651 miles (5,875 km, 3,172 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to KKS?
A nonstop flight takes about 7h 38m 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 Sihanoukville and Kashan?
Kashan is 3.5 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to KKS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–KKS that never appear on search engines, with no booking fees.