The calculated distance (air line) between Semič and Ravne na Koroškem is approximately 63 miles respectively 101 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 Semič and Ravne na Koroškem has been calculated here.
Air line (approximately)
101 kilometers
55 nautical miles