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TOP to KOS: distance & flight time
Topeka (Philip Billard Municipal Airport) → Sihanoukville (Sihanoukville International Airport)
8,790 mi
14,145 km · 7,638 nm
17h 42m
estimated nonstop flight time
+12h
time difference · heading northwest
See live TOP→KOS fares Phone-only fares on this route — call free
Flight time details
8,790 miles nonstop takes roughly 17h 42m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- TOP — Philip Billard Municipal Airport · Topeka, United States
- 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 TOP
- FOE · Topeka Regional Airport - Forbes Field8 mi away
- LWC · Lawrence Municipal Airport22 mi away
- FLV · Sherman Army Air Field43 mi away
- JCI · New Century Aircenter Airport43 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 TOP from KOS?
The flight distance from Topeka (TOP) to Sihanoukville (KOS) is 8,790 miles (14,145 km, 7,638 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TOP to KOS?
A nonstop flight takes about 17h 42m 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 Topeka and Sihanoukville?
Sihanoukville is 12 hours ahead of Topeka.
What is the cheapest way to fly from TOP to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TOP–KOS that never appear on search engines, with no booking fees.