The calculated distance (air line) between Vĩnh Yên and Tuyên Quang is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to Tuyên Quang is certainly longer, as only the direct route (as the crow flies) between Vĩnh Yên and Tuyên Quang has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles