The calculated distance (air line) between Trnava and Spišská Nová Ves is approximately 141 miles respectively 227 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 Trnava and Spišská Nová Ves has been calculated here.
Air line (approximately)
227 kilometers
123 nautical miles