The calculated distance (air line) between Bytča and Dubnica nad Váhom is approximately 25 miles respectively 41 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 Bytča and Dubnica nad Váhom has been calculated here.
Air line (approximately)
41 kilometers
22 nautical miles