| Portchester to Brownsburg (Indiana) | 3,975.49 mi (6,397.93 km) |
| Portchester to Brownsville (Florida) | 4,392.64 mi (7,069.28 km) |
| Portchester to Brownsville (Texas) | 5,106.34 mi (8,217.86 km) |
| Portchester to Brownwood (Texas) | 4,869.55 mi (7,836.78 km) |
| Portchester to Brunswick (Georgia) | 4,183.91 mi (6,733.35 km) |
| Portchester to Brunswick (Ohio) | 3,730.21 mi (6,003.19 km) |
| Portchester to Brushy Creek (Texas) | 4,882.88 mi (7,858.23 km) |
| Portchester to Bryan (Texas) | 4,821.14 mi (7,758.88 km) |
| Portchester to Bryant (Arkansas) | 4,467.34 mi (7,189.49 km) |
| Portchester to Bryn Mawr-Skyway (Washington) | 4,798.08 mi (7,721.77 km) |
| Portchester to Buckeye (Arizona) | 5,283.93 mi (8,503.66 km) |
| Portchester to Buckhall (Virginia) | 3,663.42 mi (5,895.71 km) |
| Portchester to Bucyrus (Ohio) | 3,795.83 mi (6,108.79 km) |
| Portchester to Buda (Texas) | 4,909.82 mi (7,901.59 km) |
| Portchester to Buena Park (California) | 5,441.97 mi (8,758.00 km) |
