National Route 19 (Vietnamese: Quốc lộ 19 [QL19] or Đường 19) runs across Vietnam roughly in line with the 14th parallel north. The route includes two segments: National Route 19 begins at Qui Nhơn and ends just short of the Vietnam-Cambodia border, while National Route 19B begins on the Qui Nhơn peninsula and joins Route 1 east of Phu Cat Airport.
Route Coloniale 19 or RC19 was constructed by the French in the early 20th century and was the main road connecting the Central Highlands with the coastal region of Vietnam.
The Battle of Mang Yang Pass took place along RC19 between An Khê and Pleiku from 24 to 30 June 1954.
Land clearing along Route 19 between An Khe and Pleiku, 18 September 1967
As part of the Battle of Ban Me Thuot in March 1975, the NVA blocked Route 19 preventing the movement of ARVN reinforcements towards Pleiku and preventing its use in the subsequent evacuation of the Central Highlands.
east of Phu Cat Airport
