The calculated distance (air line) between Banská Štiavnica and Prievidza is approximately 26 miles respectively 42 kilometers.
By car or train, the actual journey to Prievidza is certainly longer, as only the direct route (as the crow flies) between Banská Štiavnica and Prievidza has been calculated here.
Air line (approximately)
42 kilometers
23 nautical miles