The calculated distance (air line) between Lanzhou and Linxia Chengguanzhen is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Linxia Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Lanzhou and Linxia Chengguanzhen has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles