The calculated distance (air line) between Ljubno ob Savinji and Kočevje is approximately 48 miles respectively 78 kilometers.
By car or train, the actual journey to Kočevje is certainly longer, as only the direct route (as the crow flies) between Ljubno ob Savinji and Kočevje has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles