The calculated distance (air line) between Chhnok Tru and Stung Treng is approximately 124 miles respectively 199 kilometers.
By car or train, the actual journey to Stung Treng is certainly longer, as only the direct route (as the crow flies) between Chhnok Tru and Stung Treng has been calculated here.
Air line (approximately)
199 kilometers
107 nautical miles