| Portchester to Barberton (Ohio) | 3,732.00 mi (6,006.07 km) |
| Portchester to Bardstown (Kentucky) | 4,031.82 mi (6,488.59 km) |
| Portchester to Barrington (Illinois) | 3,937.53 mi (6,336.84 km) |
| Portchester to Barstow (California) | 5,353.52 mi (8,615.65 km) |
| Portchester to Bartlesville (Oklahoma) | 4,497.13 mi (7,237.44 km) |
| Portchester to Bartlett (Illinois) | 3,948.38 mi (6,354.30 km) |
| Portchester to Bartlett (Tennessee) | 4,330.37 mi (6,969.06 km) |
| Portchester to Bartow (Florida) | 4,357.89 mi (7,013.35 km) |
| Portchester to Batavia (Illinois) | 3,958.43 mi (6,370.49 km) |
| Portchester to Batavia (New York) | 3,508.91 mi (5,647.05 km) |
| Portchester to Batesville (Arkansas) | 4,376.16 mi (7,042.75 km) |
| Portchester to Baton Rouge (Louisiana) | 4,620.49 mi (7,435.96 km) |
| Portchester to Battle Creek (Michigan) | 3,818.47 mi (6,145.23 km) |
| Portchester to Battle Ground (Washington) | 4,903.50 mi (7,891.42 km) |
| Portchester to Bay City (Michigan) | 3,709.34 mi (5,969.61 km) |
