The calculated distance (air line) between Tongzhou and Liukuaizhuang is approximately 58 miles respectively 93 kilometers.
By car or train, the actual journey to Liukuaizhuang is certainly longer, as only the direct route (as the crow flies) between Tongzhou and Liukuaizhuang has been calculated here.
Air line (approximately)
93 kilometers
50 nautical miles