The calculated distance (air line) between Brezno and Spišská Nová Ves is approximately 43 miles respectively 69 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 Brezno and Spišská Nová Ves has been calculated here.
Air line (approximately)
69 kilometers
37 nautical miles