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RKP to KOS: distance & flight time
Rockport (Aransas County Airport) → Sihanoukville (Sihanoukville International Airport)
9,429 mi
15,174 km · 8,193 nm
18h 57m
estimated nonstop flight time
+12h
time difference · heading northwest
See live RKP→KOS fares Phone-only fares on this route — call free
Flight time details
9,429 miles nonstop takes roughly 18h 57m 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
- RKP — Aransas County Airport · Rockport, 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 RKP
- CRP · Corpus Christi International Airport35 mi away
- VCT · Victoria Regional Airport53 mi away
- NQI · Kingsville Naval Air Station62 mi away
- PSX · Palacios Municipal Airport65 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 RKP from KOS?
The flight distance from Rockport (RKP) to Sihanoukville (KOS) is 9,429 miles (15,174 km, 8,193 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKP to KOS?
A nonstop flight takes about 18h 57m 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 Rockport and Sihanoukville?
Sihanoukville is 12 hours ahead of Rockport.
What is the cheapest way to fly from RKP to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKP–KOS that never appear on search engines, with no booking fees.