| Williamsport to Blue Island (Illinois) | 551.65 mi (887.79 km) |
| Williamsport to Blue Springs (Missouri) | 921.87 mi (1,483.60 km) |
| Williamsport to Bluffdale (Utah) | 1,812.30 mi (2,916.61 km) |
| Williamsport to Bluffton (Indiana) | 425.54 mi (684.85 km) |
| Williamsport to Bluffton (South Carolina) | 659.70 mi (1,061.69 km) |
| Williamsport to Blythe (California) | 2,110.45 mi (3,396.45 km) |
| Williamsport to Blytheville (Arkansas) | 784.67 mi (1,262.80 km) |
| Williamsport to Boca Raton (Florida) | 1,041.88 mi (1,676.74 km) |
| Williamsport to Boerne (Texas) | 1,447.83 mi (2,330.05 km) |
| Williamsport to Bogalusa (Louisiana) | 1,015.70 mi (1,634.61 km) |
| Williamsport to Boiling Springs (South Carolina) | 505.05 mi (812.80 km) |
| Williamsport to Boise (Idaho) | 1,987.17 mi (3,198.05 km) |
| Williamsport to Bolingbrook (Illinois) | 573.35 mi (922.72 km) |
| Williamsport to Bolivar (Missouri) | 908.03 mi (1,461.34 km) |
| Williamsport to Bon Air (Virginia) | 258.69 mi (416.32 km) |
