The calculated distance (air line) between Ardabīl and Khorramdarreh is approximately 150 miles respectively 241 kilometers.
By car or train, the actual journey to Khorramdarreh is certainly longer, as only the direct route (as the crow flies) between Ardabīl and Khorramdarreh has been calculated here.
Air line (approximately)
241 kilometers
130 nautical miles