The calculated distance (air line) between Kampong Thom and Tbeng Meanchey is approximately 76 miles respectively 122 kilometers.
By car or train, the actual journey to Tbeng Meanchey is certainly longer, as only the direct route (as the crow flies) between Kampong Thom and Tbeng Meanchey has been calculated here.
Air line (approximately)
122 kilometers
66 nautical miles