The calculated distance (air line) between Oplotnica and Ravne na Koroškem is approximately 25 miles respectively 40 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 Oplotnica and Ravne na Koroškem has been calculated here.
Air line (approximately)
40 kilometers
22 nautical miles