The calculated distance (air line) between Hrastnik and Ravne na Koroškem is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to Ravne na Koroškem is certainly longer, as only the direct route (as the crow flies) between Hrastnik and Ravne na Koroškem has been calculated here.
Air line (approximately)
45 kilometers
24 nautical miles