The calculated distance (air line) between Sa‘īr and Bayt Ḩānūn is approximately 36 miles respectively 57 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Sa‘īr and Bayt Ḩānūn has been calculated here.
Air line (approximately)
57 kilometers
31 nautical miles