The calculated distance (air line) between Tuyên Quang and Thái Bình is approximately 119 miles respectively 192 kilometers.
By car or train, the actual journey to Thái Bình is certainly longer, as only the direct route (as the crow flies) between Tuyên Quang and Thái Bình has been calculated here.
Air line (approximately)
192 kilometers
104 nautical miles