The calculated distance (air line) between Laḩij and Al Ḩudaydah is approximately 177 miles respectively 284 kilometers.
By car or train, the actual journey to Al Ḩudaydah is certainly longer, as only the direct route (as the crow flies) between Laḩij and Al Ḩudaydah has been calculated here.
Air line (approximately)
284 kilometers
153 nautical miles