The calculated distance (air line) between Senica and Spišská Nová Ves is approximately 147 miles respectively 236 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 Senica and Spišská Nová Ves has been calculated here.
Air line (approximately)
236 kilometers
127 nautical miles