The distance between Siem Reap to Roi Et Thailand via Preah Vihear is 477 Km by road. You can also find the distance from Siem Reap to Roi Et Thailand via Preah Vihear using other travel options like bus, subway, tram, train and rail. Apart from the trip distance, refer
Directions from Siem Reap to Roi Et Thailand via Preah Vihear for road driving directions!