The calculated distance (air line) between Kralupy nad Vltavou and Chomutov is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Chomutov is certainly longer, as only the direct route (as the crow flies) between Kralupy nad Vltavou and Chomutov has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles