The calculated distance (air line) between Snina and Dubnica nad Váhom is approximately 181 miles respectively 291 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 Snina and Dubnica nad Váhom has been calculated here.
Air line (approximately)
291 kilometers
157 nautical miles