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REP to RCA: distance & flight time
Siem-reap (Siem Reap International Airport) → Rapid City (Ellsworth Air Force Base)
8,115 mi
13,059 km · 7,051 nm
16h 23m
estimated nonstop flight time
-13h
time difference · heading north
See live REP→RCA fares Phone-only fares on this route — call free
Flight time details
8,115 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
- RCA — Ellsworth Air Force Base · 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 RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
Frequently asked questions
How far is REP from RCA?
The flight distance from Siem-reap (REP) to Rapid City (RCA) is 8,115 miles (13,059 km, 7,051 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to RCA?
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 RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–RCA that never appear on search engines, with no booking fees.