The calculated distance (air line) between Bayt Kāḩil and Jericho is approximately 31 miles respectively 49 kilometers.
By car or train, the actual journey to Jericho is certainly longer, as only the direct route (as the crow flies) between Bayt Kāḩil and Jericho has been calculated here.
Air line (approximately)
49 kilometers
27 nautical miles