The calculated distance (air line) between Svay Rieng and Kampong Chhnang is approximately 111 miles respectively 179 kilometers.
By car or train, the actual journey to Kampong Chhnang is certainly longer, as only the direct route (as the crow flies) between Svay Rieng and Kampong Chhnang has been calculated here.
Air line (approximately)
179 kilometers
96 nautical miles