The calculated distance (air line) between Cerknica and Zagorje ob Savi is approximately 38 miles respectively 62 kilometers.
By car or train, the actual journey to Zagorje ob Savi is certainly longer, as only the direct route (as the crow flies) between Cerknica and Zagorje ob Savi has been calculated here.
Air line (approximately)
62 kilometers
33 nautical miles