The calculated distance (air line) between Kampong Chhnang and Kampong Cham is approximately 57 miles respectively 91 kilometers.
By car or train, the actual journey to Kampong Cham is certainly longer, as only the direct route (as the crow flies) between Kampong Chhnang and Kampong Cham has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles