The calculated distance (air line) between Svay Rieng and Kampong Cham is approximately 67 miles respectively 107 kilometers.
By car or train, the actual journey to Kampong Cham is certainly longer, as only the direct route (as the crow flies) between Svay Rieng and Kampong Cham has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles