The calculated distance (air line) between Láng Thượng and Việt Trì is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Việt Trì is certainly longer, as only the direct route (as the crow flies) between Láng Thượng and Việt Trì has been calculated here.
Air line (approximately)
53 kilometers
29 nautical miles