This is the longest one among all the highways and it’s runs upto 2369 km and it successfully connects 21 important cities. It starts from Varanasi in uttar pradesh and ends in the tip of india that is Kanyakumari. The longest highway is passing through uttar pradesh,madhya Pradesh, Maharashtra, Telangana andrapradesh Karnataka and finally Tamil Nadu.
Thus this is the list of top ten longest national highways present in India 2018. These are successful in connecting major cities and also different states making it helpful for the means of transportation. For all those rider over there waiting to go for a long journey, these could be the best ones to travel in. Thus filling the top ten list.