There is a road in central Brazil that is 497 miles long. Big deal you say? We are talking about a street, one street, that stretches the equivilent of New York City to Cleveland, and then some, or from Los Angles to Flagstaff, AZ. That's a huge freaking road.
From the Upcoming ueue, submitted by ninigoat.
"U.S. Route 1 is a major north-south U.S. Highway and it is the oldest highway that serves the East Coast of the United States. It runs over 2,000 mi (3,219 km) from Key West, Florida, north to Fort Kent, Maine, at the Canadian border."