The calculated distance (air line) between Thị Trấn Đồng Đăng and Hanoi is approximately 84 miles respectively 136 kilometers.
By car or train, the actual journey to Hanoi is certainly longer, as only the direct route (as the crow flies) between Thị Trấn Đồng Đăng and Hanoi has been calculated here.
Air line (approximately)
136 kilometers
73 nautical miles