The calculated distance (air line) between Bayt al Faqīh and ‘Amrān is approximately 89 miles respectively 143 kilometers.
By car or train, the actual journey to ‘Amrān is certainly longer, as only the direct route (as the crow flies) between Bayt al Faqīh and ‘Amrān has been calculated here.
Air line (approximately)
143 kilometers
77 nautical miles