The calculated distance (air line) between Al ‘Ubaydīyah and Bayt Ḩānūn is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Al ‘Ubaydīyah and Bayt Ḩānūn has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles