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HHH to REP: distance & flight time
Hilton Head Island (Hilton Head Airport) → Siem-reap (Siem Reap International Airport)
9,270 mi
14,918 km · 8,055 nm
18h 39m
estimated nonstop flight time
+11h
time difference · heading north
See live HHH→REP fares Phone-only fares on this route — call free
Flight time details
9,270 miles nonstop takes roughly 18h 39m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- HHH — Hilton Head Airport · Hilton Head Island, United States
- REP — Siem Reap International Airport · Siem-reap, 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 HHH
Near REP
- BBM · Battambang Airport45 mi away
- KZC · Kampong Chhnang Airport95 mi away
- PXR · Surin Airport103 mi away
- TDX · Trat Airport128 mi away
Frequently asked questions
How far is HHH from REP?
The flight distance from Hilton Head Island (HHH) to Siem-reap (REP) is 9,270 miles (14,918 km, 8,055 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHH to REP?
A nonstop flight takes about 18h 39m 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 Hilton Head Island and Siem-reap?
Siem-reap is 11 hours ahead of Hilton Head Island.
What is the cheapest way to fly from HHH to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHH–REP that never appear on search engines, with no booking fees.