The calculated distance (air line) between Ḩalwān and Kafr ad Dawwār is approximately 113 miles respectively 182 kilometers.
By car or train, the actual journey to Kafr ad Dawwār is certainly longer, as only the direct route (as the crow flies) between Ḩalwān and Kafr ad Dawwār has been calculated here.
Air line (approximately)
182 kilometers
98 nautical miles