The calculated distance (air line) between Timayy al Imdīd and Ḩalwān is approximately 77 miles respectively 125 kilometers.
By car or train, the actual journey to Ḩalwān is certainly longer, as only the direct route (as the crow flies) between Timayy al Imdīd and Ḩalwān has been calculated here.
Air line (approximately)
125 kilometers
67 nautical miles