The calculated distance (air line) between Eslāmshahr and Khorramdarreh is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Khorramdarreh is certainly longer, as only the direct route (as the crow flies) between Eslāmshahr and Khorramdarreh has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles