Highway 1 is a major highway in Cambodia, stretching from the capital city of Phnom Penh to the coastal city of Sihanoukville. It is the longest highway in the country, running for over 500 kilometers and connecting the two cities. Along the way, travelers will pass
National Highway 1 or National Road No.1 (10001) is one of the national highways of Cambodia. With a length of 167.10 km (103.83 mi), it connects the capital of Phnom Penh, through Prey Veng Province, with Bavet, Svay Rieng Province on the border with Vietnam, and continues in Vietnam as the QL22 Highway to Ho Chi Minh City in the south east. In Phnom Penh the road converges with National Highway 2 near Monivong Bridge and National Highway 5 at Stat Chas Circle Garden, near the French Embassy.