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IRB to KOS: distance & flight time
Iraan (Iraan Municipal Airport) → Sihanoukville (Sihanoukville International Airport)
9,108 mi
14,658 km · 7,914 nm
18h 20m
estimated nonstop flight time
+12h
time difference · heading northwest
See live IRB→KOS fares Phone-only fares on this route — call free
Flight time details
9,108 miles nonstop takes roughly 18h 20m 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
- IRB — Iraan Municipal Airport · Iraan, 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 IRB
- OZA · Ozona Municipal Airport43 mi away
- FST · Fort Stockton Pecos County Airport61 mi away
- MAF · Midland International Airport74 mi away
- SJT · San Angelo Regional Mathis Field88 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 IRB from KOS?
The flight distance from Iraan (IRB) to Sihanoukville (KOS) is 9,108 miles (14,658 km, 7,914 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IRB to KOS?
A nonstop flight takes about 18h 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 Iraan and Sihanoukville?
Sihanoukville is 12 hours ahead of Iraan.
What is the cheapest way to fly from IRB to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IRB–KOS that never appear on search engines, with no booking fees.