Houayxai to: Louang Namtha (2.5 days); Louang Phabang (slow boat: 2 days; speedboat: 6hr); Pakbeng (slow boat: 1 day; speedboat: 3hr); Xiangkok (4hr).

Louang Phabang to: Houayxai (slow boat: 2-3 days; speedboat: 6hr); Nong Khiaw (4-5 weekly; 7-8hr); Pakbeng (slow boat: 1-2 days; speedboat: 3hr); Vientiane (1 weekly; 3-5 days).

Pakxe to: Champasak (3 daily; 1hr 30min); Muang Sen (1 daily; 8-10hr).

Vientiane to: Louang Phabang (1 weekly; 4-5 days); Paklai (2 daily; 4hr).