The Longest Iconic Roads in the United States

Famous American drives, ranked by length.

From Route 66 to the Pacific Coast Highway, these celebrated American roads are ranked by length. Figures reflect each route's signature length.

#PlaceLength (mi)
1 The Lincoln Highway
America's first transcontinental road
3,389 mi
5,454 km
2 Interstate 90
The longest Interstate highway
3,020 mi
4,860 km
3 Route 66
The "Mother Road" from Chicago to the Pacific
2,448 mi
3,940 km
4 U.S. Route 1
The East Coast's Maine-to-Florida highway
2,370 mi
3,814 km
5 Pacific Coast Highway
California's clifftop coastal drive
656 mi
1,055 km
6 The Blue Ridge Parkway
America's longest scenic parkway
469 mi
755 km
7 The Natchez Trace Parkway
A 444-mile road along an ancient trail
444 mi
715 km
8 The Loneliest Road (U.S. 50)
The empty desert highway across Nevada
287 mi
462 km
9 The Overseas Highway
The road that hops across the Florida Keys
113 mi
182 km
10 Skyline Drive
The ridgetop road through Shenandoah
105 mi
169 km

Figures are drawn from standard government and reference sources and shown in both imperial and metric units. See each entry for full details and citations. Browse all guides or open the explore map.