The calculated distance (air line) between Shahrak-e Emām Ḩasan and Chālūs is approximately 81 miles respectively 130 kilometers.
By car or train, the actual journey to Chālūs is certainly longer, as only the direct route (as the crow flies) between Shahrak-e Emām Ḩasan and Chālūs has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles