The calculated distance (air line) between Michalovce and Dubnica nad Váhom is approximately 171 miles respectively 276 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 Michalovce and Dubnica nad Váhom has been calculated here.
Air line (approximately)
276 kilometers
149 nautical miles