The calculated distance (air line) between Banī ‘Ubayd and Ḩalwān is approximately 134 miles respectively 216 kilometers.
By car or train, the actual journey to Ḩalwān is certainly longer, as only the direct route (as the crow flies) between Banī ‘Ubayd and Ḩalwān has been calculated here.
Air line (approximately)
216 kilometers
117 nautical miles