Need help booking?
Unpublished phone-only deals available
KOS to RKP: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Rockport (Aransas County Airport)
9,429 mi
15,174 km · 8,193 nm
18h 57m
estimated nonstop flight time
-12h
time difference · heading northeast
See live KOS→RKP fares Phone-only fares on this route — call free
Flight time details
9,429 miles nonstop takes roughly 18h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- RKP — Aransas County Airport · Rockport, United States
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 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
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
Frequently asked questions
How far is KOS from RKP?
The flight distance from Sihanoukville (KOS) to Rockport (RKP) 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 KOS to RKP?
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 Sihanoukville and Rockport?
Rockport is 12 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to RKP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–RKP that never appear on search engines, with no booking fees.