The calculated distance (air line) between Nová Dubnica and Spišská Nová Ves is approximately 110 miles respectively 176 kilometers.
By car or train, the actual journey to Spišská Nová Ves is certainly longer, as only the direct route (as the crow flies) between Nová Dubnica and Spišská Nová Ves has been calculated here.
Air line (approximately)
176 kilometers
95 nautical miles