Need help booking?
Unpublished phone-only deals available
REP to RAP: distance & flight time
Siem-reap (Siem Reap International Airport) → Rapid City (Rapid City Regional Airport)
8,122 mi
13,071 km · 7,058 nm
16h 23m
estimated nonstop flight time
-13h
time difference · heading north
See live REP→RAP fares Phone-only fares on this route — call free
Flight time details
8,122 miles nonstop takes roughly 16h 23m 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
- REP — Siem Reap International Airport · Siem-reap, 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 REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 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 REP from RAP?
The flight distance from Siem-reap (REP) to Rapid City (RAP) is 8,122 miles (13,071 km, 7,058 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to RAP?
A nonstop flight takes about 16h 23m 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 Siem-reap and Rapid City?
Rapid City is 13 hours behind Siem-reap.
What is the cheapest way to fly from REP to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–RAP that never appear on search engines, with no booking fees.