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ADT to KOS: distance & flight time
Ada (Ada Regional Airport) → Sihanoukville (Sihanoukville International Airport)
9,031 mi
14,534 km · 7,848 nm
18h 10m
estimated nonstop flight time
+12h
time difference · heading northwest
See live ADT→KOS fares Phone-only fares on this route — call free
Flight time details
9,031 miles nonstop takes roughly 18h 10m 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
- ADT — Ada Regional Airport · Ada, 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 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 ADT from KOS?
The flight distance from Ada (ADT) to Sihanoukville (KOS) is 9,031 miles (14,534 km, 7,848 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADT to KOS?
A nonstop flight takes about 18h 10m 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 Ada and Sihanoukville?
Sihanoukville is 12 hours ahead of Ada.
What is the cheapest way to fly from ADT to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADT–KOS that never appear on search engines, with no booking fees.