The calculated distance (air line) between Malacky and Spišská Nová Ves is approximately 165 miles respectively 266 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 Malacky and Spišská Nová Ves has been calculated here.
Air line (approximately)
266 kilometers
143 nautical miles