Need help booking?
Unpublished phone-only deals available
SIR to KZC: distance & flight time
Sion (Sion Airport) → Kompong Chnang (Kampong Chhnang Airport)
5,949 mi
9,573 km · 5,169 nm
12h 8m
estimated nonstop flight time
+5h
time difference · heading east
See live SIR→KZC fares Phone-only fares on this route — call free
Flight time details
5,949 miles nonstop takes roughly 12h 8m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- SIR — Sion Airport · Sion, Switzerland
- KZC — Kampong Chhnang Airport · Kompong Chnang, 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 SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Near KZC
- PNH · Phnom Penh International Airport52 mi away
- REP · Siem Reap International Airport95 mi away
- KTI · Kratie Airport102 mi away
- BBM · Battambang Airport107 mi away
Frequently asked questions
How far is SIR from KZC?
The flight distance from Sion (SIR) to Kompong Chnang (KZC) is 5,949 miles (9,573 km, 5,169 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIR to KZC?
A nonstop flight takes about 12h 8m 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 Sion and Kompong Chnang?
Kompong Chnang is 5 hours ahead of Sion.
What is the cheapest way to fly from SIR to KZC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIR–KZC that never appear on search engines, with no booking fees.