The calculated distance (air line) between Skalica and Spišská Nová Ves is approximately 152 miles respectively 244 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 Skalica and Spišská Nová Ves has been calculated here.
Air line (approximately)
244 kilometers
132 nautical miles