The calculated distance (air line) between Thổ Tăng and Hai Bà Trưng is approximately 29 miles respectively 46 kilometers.
By car or train, the actual journey to Hai Bà Trưng is certainly longer, as only the direct route (as the crow flies) between Thổ Tăng and Hai Bà Trưng has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles