Western Ave in Chicago IL.
That's the longest in Chicago at 24.5 miles.
Sepulveda Boulevard in Los Angeles, CA, is 42.8 miles long. But still not sure if it is the longest street. Can't find any verification of that or of any street that is longer.
U.S Route 20 which runs from Boston, Massachusetts on the east coast of the United States of America, all the way to Newport, Oregon on the west coast, covering 3,365 miles (5,415km). Route 20 somewhat parellels the I-90 (Interstate 90 which runs from Boston, Massachusetts to Seattle in Washington. Route 20 runs through these states:
-Massachusetts
-New York
-Ohio
-Indiana
-Illinois
-Iowa
-Nebraska
-Wyoming
-Montana
-Idaho
-Oregon
The east terminus of Route 20 at Boston then meets U.S Route 2.
O St. in Lincoln, Nebraska at 75 miles long!
the longest street in the us is chambers road
Longest road in Cairo is Sudan Street in Giza.
East Street
The longest continuous main street in America is in Belleville,Illinois.
Watling Street.
I am pretty sure its Ermine Street although it says street it is a road built buy Romans.
Oxford Street or Rotherhithe Street at around 1.5 miles. There are longer thoroughfares but they are named Roads, Avenues or Lanes.
The Pan-American Highway holds the title of the world's longest road. It stretches approximately 19,000 miles from Alaska in North America to Argentina in South America.
Emmet Street in Plimoth,MA.
Western Avenue is the longest continuous street within the city of Chicago at 23.67 miles (38.09 km) in length.
Longest road middlesbrough
Route 66 of course...