| Castagneto Carducci to Bonita (California) | 6,240.75 mi (10,043.51 km) |
| Castagneto Carducci to Bonita Springs (Florida) | 5,109.33 mi (8,222.67 km) |
| Castagneto Carducci to Bonney Lake (Washington) | 5,561.62 mi (8,950.56 km) |
| Castagneto Carducci to Boone (Iowa) | 4,917.00 mi (7,913.14 km) |
| Castagneto Carducci to Boone (North Carolina) | 4,671.54 mi (7,518.11 km) |
| Castagneto Carducci to Borger (Texas) | 5,514.71 mi (8,875.07 km) |
| Castagneto Carducci to Bossier City (Louisiana) | 5,355.51 mi (8,618.85 km) |
| Castagneto Carducci to Boston (Massachusetts) | 3,966.86 mi (6,384.04 km) |
| Castagneto Carducci to Bostonia (California) | 6,229.34 mi (10,025.15 km) |
| Castagneto Carducci to Bothell (Washington) | 5,528.01 mi (8,896.47 km) |
| Castagneto Carducci to Bothell East (Washington) | 5,525.60 mi (8,892.59 km) |
| Castagneto Carducci to Bothell West (Washington) | 5,527.05 mi (8,894.92 km) |
| Castagneto Carducci to Boulder (Colorado) | 5,435.71 mi (8,747.92 km) |
| Castagneto Carducci to Boulder City (Nevada) | 5,992.57 mi (9,644.10 km) |
| Castagneto Carducci to Bound Brook (New Jersey) | 4,182.65 mi (6,731.32 km) |
