AH1

Asian Highway 1
Route information
Length20,557 km (12,774 mi)
Major junctions
East endTokyo, Japan 35°41′03″N 139°46′29″E / 35.68417°N 139.77472°E / 35.68417; 139.77472
West endKapıkule, Turkey 41°43′01″N 26°21′10″E / 41.71694°N 26.35278°E / 41.71694; 26.35278
Location
CountriesJapan, South Korea, North Korea, China (including Hong Kong), Vietnam, Cambodia, Thailand, Myanmar, India, Bangladesh, Pakistan, Afghanistan, Iran, Turkey
Highway system
  AH2

Asian Highway 1 (AH1) is the longest east-west route of the Asian Highway Network, running 20,557 km (12,774 mi) from Tokyo, Japan via the Korean Peninsula (South Korea and North Korea), China (Mainland China and Hong Kong), Mainland Southeast Asia (Vietnam, Cambodia, Thailand, and Myanmar), the Indian Subcontinent (India, Bangladesh, and Pakistan), and the Iranian Plateau (Afghanistan and Iran) to the international border between Turkey and Bulgaria west of Istanbul where it joins end-on with European route E80, running all the way to Lisbon, Portugal.