The calculated distance (air line) between Phú Khương and Kampong Speu is approximately 110 miles respectively 177 kilometers.
By car or train, the actual journey to Kampong Speu is certainly longer, as only the direct route (as the crow flies) between Phú Khương and Kampong Speu has been calculated here.
Air line (approximately)
177 kilometers
95 nautical miles