The calculated distance (air line) between Khorramshahr and Janūb as Surrah is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Janūb as Surrah is certainly longer, as only the direct route (as the crow flies) between Khorramshahr and Janūb as Surrah has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles