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REP to ROI: distance & flight time
Siem-reap (Siem Reap International Airport) → Roi Et (Roi Et Airport)
187 mi
301 km · 162 nm
58m
estimated nonstop flight time
Same time
time difference · heading north
See live REP→ROI fares Phone-only fares on this route — call free
Flight time details
187 miles nonstop takes roughly 58m gate to gate, flying north. 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
- REP — Siem Reap International Airport · Siem-reap, Cambodia
- ROI — Roi Et Airport · Roi Et, Thailand
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is REP from ROI?
The flight distance from Siem-reap (REP) to Roi Et (ROI) is 187 miles (301 km, 162 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from REP to ROI?
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.
What is the cheapest way to fly from REP to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on REP–ROI that never appear on search engines, with no booking fees.