The calculated distance (air line) between Ich Hau and Hai Bà Trưng is approximately 177 miles respectively 285 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 Ich Hau and Hai Bà Trưng has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles