The calculated distance (air line) between Kuliyapitiya and Pita Kotte is approximately 41 miles respectively 66 kilometers.
By car or train, the actual journey to Pita Kotte is certainly longer, as only the direct route (as the crow flies) between Kuliyapitiya and Pita Kotte has been calculated here.
Air line (approximately)
66 kilometers
36 nautical miles