The calculated distance (air line) between Bentota and Sri Jayewardenepura Kotte is approximately 32 miles respectively 52 kilometers.
By car or train, the actual journey to Sri Jayewardenepura Kotte is certainly longer, as only the direct route (as the crow flies) between Bentota and Sri Jayewardenepura Kotte has been calculated here.
Air line (approximately)
52 kilometers
28 nautical miles