The calculated distance (air line) between Vitanje and Zagorje ob Savi is approximately 22 miles respectively 36 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 Vitanje and Zagorje ob Savi has been calculated here.
Air line (approximately)
36 kilometers
19 nautical miles