| Philadelphia to Bound Brook (New Jersey) | 49.82 mi (80.18 km) |
| Philadelphia to Bountiful (Utah) | 1,918.18 mi (3,087.00 km) |
| Philadelphia to Bourbonnais (Illinois) | 672.93 mi (1,082.97 km) |
| Philadelphia to Bowie (Maryland) | 112.39 mi (180.88 km) |
| Philadelphia to Bowling Green (Kentucky) | 645.75 mi (1,039.24 km) |
| Philadelphia to Bowling Green (Ohio) | 455.84 mi (733.60 km) |
| Philadelphia to Box Elder (South Dakota) | 1,454.08 mi (2,340.11 km) |
| Philadelphia to Boynton Beach (Florida) | 973.76 mi (1,567.12 km) |
| Philadelphia to Bozeman (Montana) | 1,845.17 mi (2,969.52 km) |
| Philadelphia to Bradenton (Florida) | 963.86 mi (1,551.18 km) |
| Philadelphia to Bradfordville (Florida) | 827.63 mi (1,331.94 km) |
| Philadelphia to Bradley (Illinois) | 671.14 mi (1,080.09 km) |
| Philadelphia to Bradley Gardens (New Jersey) | 46.03 mi (74.08 km) |
| Philadelphia to Brainerd (Minnesota) | 1,052.37 mi (1,693.62 km) |
| Philadelphia to Brambleton (Virginia) | 146.25 mi (235.37 km) |
