| Philadelphia to Blue Island (Illinois) | 665.14 mi (1,070.45 km) |
| Philadelphia to Blue Springs (Missouri) | 1,020.54 mi (1,642.40 km) |
| Philadelphia to Bluffdale (Utah) | 1,927.12 mi (3,101.39 km) |
| Philadelphia to Bluffton (Indiana) | 530.56 mi (853.86 km) |
| Philadelphia to Bluffton (South Carolina) | 627.93 mi (1,010.55 km) |
| Philadelphia to Blythe (California) | 2,209.59 mi (3,555.99 km) |
| Philadelphia to Blytheville (Arkansas) | 851.17 mi (1,369.83 km) |
| Philadelphia to Boca Raton (Florida) | 984.38 mi (1,584.21 km) |
| Philadelphia to Boerne (Texas) | 1,505.59 mi (2,423.01 km) |
| Philadelphia to Bogalusa (Louisiana) | 1,043.85 mi (1,679.92 km) |
| Philadelphia to Boiling Springs (South Carolina) | 507.85 mi (817.30 km) |
| Philadelphia to Boise (Idaho) | 2,109.44 mi (3,394.81 km) |
| Philadelphia to Bolingbrook (Illinois) | 686.99 mi (1,105.60 km) |
| Philadelphia to Bolivar (Missouri) | 996.48 mi (1,603.67 km) |
| Philadelphia to Bon Air (Virginia) | 216.35 mi (348.19 km) |
