The calculated distance (air line) between Al Bīrah and Banī Suhaylā is approximately 66 miles respectively 105 kilometers.
By car or train, the actual journey to Banī Suhaylā is certainly longer, as only the direct route (as the crow flies) between Al Bīrah and Banī Suhaylā has been calculated here.
Air line (approximately)
105 kilometers
57 nautical miles