The calculated distance (air line) between Sumusţā as Sulţānī and Dayr Mawās is approximately 88 miles respectively 142 kilometers.
By car or train, the actual journey to Dayr Mawās is certainly longer, as only the direct route (as the crow flies) between Sumusţā as Sulţānī and Dayr Mawās has been calculated here.
Air line (approximately)
142 kilometers
77 nautical miles