The calculated distance (air line) between Việt Trì and Tuyên Quang is approximately 37 miles respectively 59 kilometers.
By car or train, the actual journey to Tuyên Quang is certainly longer, as only the direct route (as the crow flies) between Việt Trì and Tuyên Quang has been calculated here.
Air line (approximately)
59 kilometers
32 nautical miles