The calculated distance (air line) between Khorramabad and Kāmyārān is approximately 121 miles respectively 195 kilometers.
By car or train, the actual journey to Kāmyārān is certainly longer, as only the direct route (as the crow flies) between Khorramabad and Kāmyārān has been calculated here.
Air line (approximately)
195 kilometers
105 nautical miles