The calculated distance (air line) between Bayt Kāḩil and Ţūlkarm is approximately 51 miles respectively 83 kilometers.
By car or train, the actual journey to Ţūlkarm is certainly longer, as only the direct route (as the crow flies) between Bayt Kāḩil and Ţūlkarm has been calculated here.
Air line (approximately)
83 kilometers
45 nautical miles