The calculated distance (air line) between Shahrak-e Emām Ḩasan and Hamadān is approximately 167 miles respectively 269 kilometers.
By car or train, the actual journey to Hamadān is certainly longer, as only the direct route (as the crow flies) between Shahrak-e Emām Ḩasan and Hamadān has been calculated here.
Air line (approximately)
269 kilometers
145 nautical miles