The calculated distance (air line) between Al Maḩallah al Kubrá and Bilqās is approximately 20 miles respectively 33 kilometers.
By car or train, the actual journey to Bilqās is certainly longer, as only the direct route (as the crow flies) between Al Maḩallah al Kubrá and Bilqās has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles