The calculated distance (air line) between Luče and Ravne na Koroškem is approximately 17 miles respectively 27 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 Luče and Ravne na Koroškem has been calculated here.
Air line (approximately)
27 kilometers
15 nautical miles