The calculated distance (air line) between Khnach Romeas and Kampong Chhnang is approximately 135 miles respectively 218 kilometers.
By car or train, the actual journey to Kampong Chhnang is certainly longer, as only the direct route (as the crow flies) between Khnach Romeas and Kampong Chhnang has been calculated here.
Air line (approximately)
218 kilometers
117 nautical miles