The calculated distance (air line) between Tbeng Meanchey and Stung Treng is approximately 69 miles respectively 111 kilometers.
By car or train, the actual journey to Stung Treng is certainly longer, as only the direct route (as the crow flies) between Tbeng Meanchey and Stung Treng has been calculated here.
Air line (approximately)
111 kilometers
60 nautical miles