World's longest road networks, India is No 2

United States has the world's longest road network. 

Interstate Highways, State highways and US highways make the road network in US among the world’s best. 

Take a look at the countries by total road network size of both paved and unpaved… 

United States

Rank: 1

Road network: 6,586,610 kms

…

India 

Rank: 2

Road network: 4,689,842 kms 

…

China

Rank: 3

Road network: 4,356,200 kms 

…

Brazil

Rank: 4

Road network: 1,751,868 kms

…

Russia

Rank: 5

Road network: 1,283,387 kms

…

Japan

Rank: 6

Road network: 1,210,251 kms

…

Canada

Rank: 7

Road network: 1,042,300 kms

…

France

Rank: 8

Road network: 1,028,446 kms

…

Australia

Rank: 9

Road network: 823,217 kms

…

Spain   

Rank: 10

Road network: 681,298 kms