The calculated distance (air line) between Shahrak-e Emām Ḩasan and Khorramdarreh is approximately 130 miles respectively 210 kilometers.
By car or train, the actual journey to Khorramdarreh is certainly longer, as only the direct route (as the crow flies) between Shahrak-e Emām Ḩasan and Khorramdarreh has been calculated here.
Air line (approximately)
210 kilometers
113 nautical miles