The calculated distance (air line) between Dương Đông and Ho Chi Minh City is approximately 186 miles respectively 300 kilometers.
By car or train, the actual journey to Ho Chi Minh City is certainly longer, as only the direct route (as the crow flies) between Dương Đông and Ho Chi Minh City has been calculated here.
Air line (approximately)
300 kilometers
162 nautical miles