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RMA to REP: distance & flight time
Roma (Roma Airport) → Siem-reap (Siem Reap International Airport)
4,090 mi
6,583 km · 3,554 nm
8h 29m
estimated nonstop flight time
-3h
time difference · heading northwest
See live RMA→REP fares Phone-only fares on this route — call free
Flight time details
4,090 miles nonstop takes roughly 8h 29m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- RMA — Roma Airport · Roma, Australia
- 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 RMA
- XTO · Taroom Airport87 mi away
- SGO · St George Airport105 mi away
- CCL · Chinchilla Airport115 mi away
- TDR · Theodore Airport135 mi away
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 RMA from REP?
The flight distance from Roma (RMA) to Siem-reap (REP) is 4,090 miles (6,583 km, 3,554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RMA to REP?
A nonstop flight takes about 8h 29m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RMA to REP?
Nonstop service on RMA–REP depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 8h 29m nonstop estimate.
What is the time difference between Roma and Siem-reap?
Siem-reap is 3 hours behind Roma.
What is the cheapest way to fly from RMA to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RMA–REP that never appear on search engines, with no booking fees.
Why are some RMA to REP fares phone-only?
Consolidator contracts let us sell certain RMA–REP tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.