The calculated distance (air line) between Kampong Cham and Krong Kep is approximately 130 miles respectively 209 kilometers.
By car or train, the actual journey to Krong Kep is certainly longer, as only the direct route (as the crow flies) between Kampong Cham and Krong Kep has been calculated here.
Air line (approximately)
209 kilometers
113 nautical miles