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PIR to KOS: distance & flight time
Pierre (Pierre Regional Airport) → Sihanoukville (Sihanoukville International Airport)
8,354 mi
13,445 km · 7,260 nm
16h 51m
estimated nonstop flight time
+12h
time difference · heading northwest
See live PIR→KOS fares Phone-only fares on this route — call free
Flight time details
8,354 miles nonstop takes roughly 16h 51m 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
- PIR — Pierre Regional Airport · Pierre, 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 PIR
- MBG · Mobridge Municipal Airport81 mi away
- HON · Huron Regional Airport102 mi away
- VTN · Miller Field106 mi away
- ABR · Aberdeen Regional Airport117 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 PIR from KOS?
The flight distance from Pierre (PIR) to Sihanoukville (KOS) is 8,354 miles (13,445 km, 7,260 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PIR to KOS?
A nonstop flight takes about 16h 51m 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 Pierre and Sihanoukville?
Sihanoukville is 12 hours ahead of Pierre.
What is the cheapest way to fly from PIR to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PIR–KOS that never appear on search engines, with no booking fees.