The calculated distance (air line) between Ḩajjah and Bayt al Faqīh is approximately 84 miles respectively 134 kilometers.
By car or train, the actual journey to Bayt al Faqīh is certainly longer, as only the direct route (as the crow flies) between Ḩajjah and Bayt al Faqīh has been calculated here.
Air line (approximately)
134 kilometers
73 nautical miles