Need help booking?
Unpublished phone-only deals available
KOS to SYM: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Simao (Pu'er Simao Airport)
862 mi
1,388 km · 749 nm
2h 20m
estimated nonstop flight time
+1h
time difference · heading north
See live KOS→SYM fares Phone-only fares on this route — call free
Flight time details
862 miles nonstop takes roughly 2h 20m 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
- SYM — Pu'er Simao Airport · Simao, 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 SYM
- JHG · Xishuangbanna Gasa Airport58 mi away
- JMJ · Lancang Jingmai Airport79 mi away
- LNJ · Lintsang Airfield88 mi away
- PCQ · Boun Neau Airport99 mi away
Frequently asked questions
How far is KOS from SYM?
The flight distance from Sihanoukville (KOS) to Simao (SYM) is 862 miles (1,388 km, 749 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to SYM?
A nonstop flight takes about 2h 20m 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 Simao?
Simao is 1 hour ahead of Sihanoukville.
What is the cheapest way to fly from KOS to SYM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–SYM that never appear on search engines, with no booking fees.