5780 Routes
- Barryville New York -> Versailles Pennsylvania
- Barstow California -> Mitchell Illinois
- Barstow California -> Shandon California
- Barstow Illinois -> Hamilton Michigan
- Bartelso Illinois -> Parma Idaho
- Barterville -> Waldorf Minnesota
- Barth Florida -> Grainfield Kansas
- Barth Florida -> Heidrick Kentucky
- Barth Florida -> Rugby Tennesse
- Barth Florida -> Sand Rock Alabama
- Bartlesville Oklahoma -> Narcissa Oklahoma
- Bartlett Georgia -> Spartanburg South Carolina
- Bartlett Illinois -> Glendale Kansas
- Bartlett Kansas -> Andale Kansas
- Bartlett Kansas -> East Hodge Louisiana
- Bartlett Kansas -> Elk City Oklahoma
- Bartlett Kansas -> Morse Iowa
- Bartlett North Carolina -> Dundas Minnesota
- Bartlett Tennesse -> East Glacier Park Montana
- Bartlett Tennesse -> Poolesville Maryland
- Bartlett Texas -> Michigamme Michigan
- Bartley Nebraska -> Clayton Iowa
- Bartolo Puerto Rico -> Palmarejo Puerto Rico
- Bartolo Puerto Rico -> Parcelas La Milagr Puerto Rico
- Barton City Michigan -> Karns Tennesse
- Barton City Michigan -> Lodale
- Barton Maryland -> Caywood New York
- Barton South Carolina -> Scanlon Minnesota
- Barton Vermont -> Maine New York
- Barton Vermont -> Scotts Ferry Florida
- Barton Vermont -> Westford Vermont
- Bartonsville North Carolina -> Mallory Minnesota
- Bartonsville North Carolina -> Pioneer California
- Bartonville Illinois -> Meherrin Virginia
- Bartonville Texas -> Beech Mountain North Carolina
- Bartow Florida -> Concan Texas
- Bartow Florida -> Goodwater Alabama
- Bartow Georgia -> Romancoke Virginia
- Barwick Georgia -> Barretts Mill Georgia
- Barwick Kentucky -> Richton Mississippi
- Basalt Colorado -> Kirby Texas
- Basalt Colorado -> Union Corners New York
- Basalt Idaho -> Fruitvale Idaho
- Bascom Georgia -> East Homer New York
- Bashan South Carolina -> Mayhaw Georgia
- Bashi Alabama -> Claiborne Alabama
- Bashi Alabama -> Skibo Minnesota
- Basile Louisiana -> Kentwood Michigan
- Basile Louisiana -> Montezuma Ohio
- Basin Alabama -> Aventon North Carolina
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