The calculated distance (air line) between Dubnica nad Váhom and Prievidza is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Prievidza is certainly longer, as only the direct route (as the crow flies) between Dubnica nad Váhom and Prievidza has been calculated here.
Air line (approximately)
40 kilometers
21 nautical miles