As of 2026-10-12, Hill Highway tops the list with 1,332 km.
- #1 Hill Highway — 1,332 km
road in Kerala, India
The Thiruvananthapuram–Kasaragod Hill Highway or State Highway 59 (SH-59) or Malayora Highway as it is known in the state of Kerala is a proposed state highway. Upon completion, it will be the longest highway in Kerala, extending from Nandarapadavu in Kasaragod district to Parassala in Thiruvananthapuram district, at a length of 1332.16 km. The highway will pass through 13 of the 14 districts, the exception being Alappuzha as that district is not part of the hilly ranges of Kerala. Read more on Wikipedia.
Wikidata - #2 Central Arnhem Road — 663 km
Northern Territory of Australia road
The Central Arnhem Road, also referred to as the Central Arnhem Highway or locally as "The Track", is a designated state route in the Northern Territory of Australia linking the Stuart Highway to the town of Nhulunbuy on the Gove Peninsula and communities across the East Arnhem region. It connects over 12,000 residents and is a key tourism drive and freight route for the mining and pastoral industries. Read more on Wikipedia.
Wikidata - #3 DN1 — 643 km
road in Romania
DN1 is an important national road in Romania which links Bucharest with the northwestern part of the country and the border with Hungary via Borș. The main cities linked by DN1 are Bucharest, Ploiești, Brașov, Sibiu, Alba Iulia, Cluj-Napoca and Oradea. Read more on Wikipedia.
Wikidata - #4 DN6 — 639 km
road in Romania
DN6 is a national road in Romania which links Bucharest with the Banat region in the western part of the country and further to the East-European capitals Budapest and Belgrade via the border with Hungary near Cenad. It is a very traveled road. Read more on Wikipedia.
Wikidata - #5 M1 highway — 611 km
major road in Belarus
The M1, Magistral Route Nr. 1, olimpijka is a main road crossing Belarus. It is a part of European route E30 and is the most important road in the country, connecting Moscow to Poland and Western Europe. Read more on Wikipedia.
Wikidata - #6 Illinois Route 110 — 528 km
state highway in Illinois, United States
The Chicago–Kansas City Expressway is a highway that runs between Chicago, Illinois, and Kansas City, Missouri. The road is known as Route 110 in Missouri and Illinois Route 110 (IL 110) in Illinois. IL 110 was created through legislation on May 27, 2010, as the designated route for the Illinois portion of the Chicago–Kansas City Expressway. Read more on Wikipedia.
Wikidata - #7 M10 highway — 526 km
major road in Belarus
source Wikidata - #8 DN7 — 525 km
road in Romania
DN7 is a national road in Romania, which links Bucharest with the Banat region, in western Romania. It is further to the eastern European capitals Budapest and Belgrade via the border with Hungary at Nădlac. It is a high-traffic road and the preferred route for trucks. Near Râmnicu Vâlcea, the road crosses the Southern Carpathians along the Olt River, through the Valea Oltului touristic region. Read more on Wikipedia.
Wikidata - #9 M8 highway — 465 km
major road in Belarus
source Wikidata - #10 DN2 — 446 km
road in Romania
DN2 is a national road in Romania which links Bucharest with the historical regions of Moldavia and Bukovina in north-east Romania. Recently upgraded, it is today one of the best-maintained roads in the country. The main cities linked by the DN2 are: Bucharest, Buzău, Focșani, Bacău, Roman, and Suceava. Read more on Wikipedia.
Wikidata