The calculated distance (air line) between Shanhaiguan and Zhaogezhuang is approximately 73 miles respectively 117 kilometers.
By car or train, the actual journey to Zhaogezhuang is certainly longer, as only the direct route (as the crow flies) between Shanhaiguan and Zhaogezhuang has been calculated here.
Air line (approximately)
117 kilometers
63 nautical miles