The calculated distance (air line) between Thị Trấn Đồng Đăng and Haiphong is approximately 75 miles respectively 121 kilometers.
By car or train, the actual journey to Haiphong is certainly longer, as only the direct route (as the crow flies) between Thị Trấn Đồng Đăng and Haiphong has been calculated here.
Air line (approximately)
121 kilometers
65 nautical miles