As of 2026-10-19, Aomori Prefectural Road and Akita Prefectural Road Route 317 tops the list with 39,759 km.
- #1 Aomori Prefectural Road and Akita Prefectural Road Route 317 — 39,759 km
road in Aomori and Akita Prefecture, Japan
source Wikidata - #2 Akita Prefectural Road Route 54 — 25,928 km
road in Akita Prefecture, Japan
source Wikidata - #3 M33 motorway — 22,947 km
road in Hungary
source Wikidata - #4 Akita Prefectural Road Route 200 — 22,491 km
road in Akita Prefecture, Japan
source Wikidata - #5 Farm to Market Road 2161 — 20,569 km
state road in Carson County, Texas, United States
source Wikidata - #6 AH1 — 20,557 km
longest route of the Asian Highway Network, it connects Tokyo with Turkey–Bulgaria border
source Wikidata - #7 State road 724 — 19,200 km
road in Italy
source Wikidata - #8 AH2 — 13,177 km
road in Southeast, South, Central and Western Asia
source Wikidata - #9 Tripoli–Cape Town Highway — 10,808 km
Trans-African road
source Wikidata - #10 AH6 — 10,533 km
Asian Highway route in Russia and China
source Wikidata