The calculated distance (air line) between Thái Nguyên and Hưng Yên is approximately 67 miles respectively 107 kilometers.
By car or train, the actual journey to Hưng Yên is certainly longer, as only the direct route (as the crow flies) between Thái Nguyên and Hưng Yên has been calculated here.
Air line (approximately)
107 kilometers
58 nautical miles