The calculated distance (air line) between Shiyan and Gucheng Chengguanzhen is approximately 56 miles respectively 91 kilometers.
By car or train, the actual journey to Gucheng Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Shiyan and Gucheng Chengguanzhen has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles