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