The calculated distance (air line) between Bystřice nad Pernštejnem and Znojmo is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Znojmo is certainly longer, as only the direct route (as the crow flies) between Bystřice nad Pernštejnem and Znojmo has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles