The calculated distance (air line) between Aş Şaff and Dayr Mawās is approximately 135 miles respectively 218 kilometers.
By car or train, the actual journey to Dayr Mawās is certainly longer, as only the direct route (as the crow flies) between Aş Şaff and Dayr Mawās has been calculated here.
Air line (approximately)
218 kilometers
118 nautical miles