The calculated distance (air line) between Poltár and Dubnica nad Váhom is approximately 83 miles respectively 133 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 Poltár and Dubnica nad Váhom has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles