The calculated distance (air line) between Чучер - Сандево and Kumanovo is approximately 17 miles respectively 28 kilometers.
By car or train, the actual journey to Kumanovo is certainly longer, as only the direct route (as the crow flies) between Чучер - Сандево and Kumanovo has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles