The calculated distance (air line) between Thái Nguyên and Bắc Ninh is approximately 32 miles respectively 51 kilometers.
By car or train, the actual journey to Bắc Ninh is certainly longer, as only the direct route (as the crow flies) between Thái Nguyên and Bắc Ninh has been calculated here.
Air line (approximately)
51 kilometers
28 nautical miles