Asian Highway 13 (AH13) is a road in the Asian Highway Network running from Hanoi, Vietnam to Nakhon Sawan, Thailand. The route is as follows:
Vietnam : Hanoi ( and ) - Dien Bien : Dien Bien - Thai Trang border crossing
In the future, will become AH13 instead of the current alignment on National Highways 6 and 279.
Laos Route 2E: Thai Chang border crossing - Muang May - Muang Khoua - Oudomxay () Route 2W: Oudomxay - Muang Ngeun - Ngeun border checkpoint
Thailand : Huai Kon border checkpoint - Huai Kon - Den Chai : Phrae bypass : Den Chai - Uttaradit - Phitsanulok () : Phitsanulok () - Nakhon Sawan ()