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KOS to RAP: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Rapid City (Rapid City Regional Airport)
8,308 mi
13,370 km · 7,219 nm
16h 45m
estimated nonstop flight time
-13h
time difference · heading north
See live KOS→RAP fares Phone-only fares on this route — call free
Flight time details
8,308 miles nonstop takes roughly 16h 45m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- RAP — Rapid City Regional Airport · Rapid City, 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 RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Frequently asked questions
How far is KOS from RAP?
The flight distance from Sihanoukville (KOS) to Rapid City (RAP) is 8,308 miles (13,370 km, 7,219 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to RAP?
A nonstop flight takes about 16h 45m 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 Rapid City?
Rapid City is 13 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–RAP that never appear on search engines, with no booking fees.