The calculated distance (air line) between Gornji Petrovci and Zagorje ob Savi is approximately 75 miles respectively 120 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 Gornji Petrovci and Zagorje ob Savi has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles