| Portchester to Bailey's Crossroads (Virginia) | 3,644.82 mi (5,865.77 km) |
| Portchester to Bainbridge (Georgia) | 4,325.96 mi (6,961.96 km) |
| Portchester to Bainbridge Island (Washington) | 4,797.79 mi (7,721.30 km) |
| Portchester to Baker (Louisiana) | 4,614.51 mi (7,426.33 km) |
| Portchester to Bakersfield (California) | 5,390.79 mi (8,675.63 km) |
| Portchester to Balch Springs (Texas) | 4,725.43 mi (7,604.85 km) |
| Portchester to Baldwin (New York) | 3,420.87 mi (5,505.36 km) |
| Portchester to Baldwin (Pennsylvania) | 3,694.15 mi (5,945.16 km) |
| Portchester to Baldwin Park (California) | 5,428.13 mi (8,735.74 km) |
| Portchester to Ballenger Creek (Maryland) | 3,633.36 mi (5,847.33 km) |
| Portchester to Ballwin (Missouri) | 4,197.43 mi (6,755.12 km) |
| Portchester to Baltimore (Maryland) | 3,603.36 mi (5,799.05 km) |
| Portchester to Bangor (Maine) | 3,054.39 mi (4,915.57 km) |
| Portchester to Banning (California) | 5,400.34 mi (8,691.01 km) |
| Portchester to Baraboo (Wisconsin) | 3,938.92 mi (6,339.08 km) |
