The calculated distance (air line) between Cerklje na Gorenjskem and Slovenj Gradec is approximately 33 miles respectively 54 kilometers.
By car or train, the actual journey to Slovenj Gradec is certainly longer, as only the direct route (as the crow flies) between Cerklje na Gorenjskem and Slovenj Gradec has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles