The calculated distance (air line) between Al Maḩallah al Kubrá and Basyūn is approximately 21 miles respectively 34 kilometers.
By car or train, the actual journey to Basyūn is certainly longer, as only the direct route (as the crow flies) between Al Maḩallah al Kubrá and Basyūn has been calculated here.
Air line (approximately)
34 kilometers
18 nautical miles