The calculated distance (air line) between Luohe and Mengcheng Chengguanzhen is approximately 147 miles respectively 237 kilometers.
By car or train, the actual journey to Mengcheng Chengguanzhen is certainly longer, as only the direct route (as the crow flies) between Luohe and Mengcheng Chengguanzhen has been calculated here.
Air line (approximately)
237 kilometers
128 nautical miles