The calculated distance (air line) between Dorcheh Pīāz and Arāk is approximately 148 miles respectively 238 kilometers.
By car or train, the actual journey to Arāk is certainly longer, as only the direct route (as the crow flies) between Dorcheh Pīāz and Arāk has been calculated here.
Air line (approximately)
238 kilometers
129 nautical miles