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ROI to REP: distance & flight time
Roi Et (Roi Et Airport) → Siem-reap (Siem Reap International Airport)
187 mi
301 km · 162 nm
58m
estimated nonstop flight time
Same time
time difference · heading south
See live ROI→REP fares Phone-only fares on this route — call free
Flight time details
187 miles nonstop takes roughly 58m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ROI — Roi Et Airport · Roi Et, Thailand
- 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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 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 ROI from REP?
The flight distance from Roi Et (ROI) to Siem-reap (REP) is 187 miles (301 km, 162 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to REP?
A nonstop flight takes about 58m 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 ROI to REP?
Nonstop service on ROI–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 58m nonstop estimate.
What is the cheapest way to fly from ROI to REP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–REP that never appear on search engines, with no booking fees.
Why are some ROI to REP fares phone-only?
Consolidator contracts let us sell certain ROI–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.