The calculated distance (air line) between Saḩar and Al Ḩudaydah is approximately 97 miles respectively 156 kilometers.
By car or train, the actual journey to Al Ḩudaydah is certainly longer, as only the direct route (as the crow flies) between Saḩar and Al Ḩudaydah has been calculated here.
Air line (approximately)
156 kilometers
84 nautical miles