The calculated distance (air line) between Zinjibār and Bayt al Faqīh is approximately 168 miles respectively 270 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 Zinjibār and Bayt al Faqīh has been calculated here.
Air line (approximately)
270 kilometers
146 nautical miles