The calculated distance (air line) between Hà Giang and Thái Nguyên is approximately 101 miles respectively 163 kilometers.
By car or train, the actual journey to Thái Nguyên is certainly longer, as only the direct route (as the crow flies) between Hà Giang and Thái Nguyên has been calculated here.
Air line (approximately)
163 kilometers
88 nautical miles