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KOS to SIA: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Xi\'AN (Xi'an Xiguan Airport)
1,680 mi
2,704 km · 1,460 nm
3h 46m
estimated nonstop flight time
+1h
time difference · heading north
See live KOS→SIA fares Phone-only fares on this route — call free
Flight time details
1,680 miles nonstop takes roughly 3h 46m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- SIA — Xi'an Xiguan Airport · Xi\'AN, China
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 SIA
- XIY · Xi'an Xianyang International Airport22 mi away
- AKA · Ankang Wulipu Airport116 mi away
- YCU · Yuncheng Guangong Airport120 mi away
- IQN · Qingyang Airport130 mi away
Frequently asked questions
How far is KOS from SIA?
The flight distance from Sihanoukville (KOS) to Xi\'AN (SIA) is 1,680 miles (2,704 km, 1,460 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SIA?
A nonstop flight takes about 3h 46m 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 Xi\'AN?
Xi\'AN is 1 hour ahead of Sihanoukville.
What is the cheapest way to fly from KOS to SIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SIA that never appear on search engines, with no booking fees.