The calculated distance (air line) between Thiên Lộc and Hai Bà Trưng is approximately 173 miles respectively 279 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 Thiên Lộc and Hai Bà Trưng has been calculated here.
Air line (approximately)
279 kilometers
151 nautical miles