The calculated distance (air line) between Thái Nguyên and Mỹ Hào is approximately 49 miles respectively 79 kilometers.
By car or train, the actual journey to Mỹ Hào is certainly longer, as only the direct route (as the crow flies) between Thái Nguyên and Mỹ Hào has been calculated here.
Air line (approximately)
79 kilometers
43 nautical miles