The calculated distance (air line) between Chūbīn Dar and Ardabīl is approximately 167 miles respectively 268 kilometers.
By car or train, the actual journey to Ardabīl is certainly longer, as only the direct route (as the crow flies) between Chūbīn Dar and Ardabīl has been calculated here.
Air line (approximately)
268 kilometers
145 nautical miles