The calculated distance (air line) between 6th of October City and Dayr Mawās is approximately 151 miles respectively 243 kilometers.
By car or train, the actual journey to Dayr Mawās is certainly longer, as only the direct route (as the crow flies) between 6th of October City and Dayr Mawās has been calculated here.
Air line (approximately)
243 kilometers
131 nautical miles