The calculated distance (air line) between Bystřice pod Hostýnem and Prostějov is approximately 26 miles respectively 41 kilometers.
By car or train, the actual journey to Prostějov is certainly longer, as only the direct route (as the crow flies) between Bystřice pod Hostýnem and Prostějov has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles