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