The calculated distance (air line) between Старо Нагоричане and Skopje is approximately 25 miles respectively 40 kilometers.
By car or train, the actual journey to Skopje is certainly longer, as only the direct route (as the crow flies) between Старо Нагоричане and Skopje has been calculated here.
Air line (approximately)
40 kilometers
21 nautical miles