The calculated distance (air line) between Sládkovičovo and Spišská Nová Ves is approximately 143 miles respectively 230 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 Sládkovičovo and Spišská Nová Ves has been calculated here.
Air line (approximately)
230 kilometers
124 nautical miles