The calculated distance (air line) between Az̧ Z̧a‘āyin and Umm Şalāl Muḩammad is approximately 12 miles respectively 20 kilometers.
By car or train, the actual journey to Umm Şalāl Muḩammad is certainly longer, as only the direct route (as the crow flies) between Az̧ Z̧a‘āyin and Umm Şalāl Muḩammad has been calculated here.
Air line (approximately)
20 kilometers
11 nautical miles