The calculated distance (air line) between Kralupy nad Vltavou and Příbram is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Příbram is certainly longer, as only the direct route (as the crow flies) between Kralupy nad Vltavou and Příbram has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles