The calculated distance (air line) between Zreče and Ravne na Koroškem is approximately 22 miles respectively 36 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 Zreče and Ravne na Koroškem has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles