The calculated distance (air line) between Sanaa and Bayt al Faqīh is approximately 83 miles respectively 133 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 Sanaa and Bayt al Faqīh has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles