The calculated distance (air line) between Shibīn al Kawm and Ashmūn is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Ashmūn is certainly longer, as only the direct route (as the crow flies) between Shibīn al Kawm and Ashmūn has been calculated here.
Air line (approximately)
29 kilometers
15 nautical miles