| Portishead to Brownsburg (Indiana) | 3,892.39 mi (6,264.19 km) |
| Portishead to Brownsville (Florida) | 4,315.73 mi (6,945.50 km) |
| Portishead to Brownsville (Texas) | 5,024.02 mi (8,085.38 km) |
| Portishead to Brownwood (Texas) | 4,786.15 mi (7,702.56 km) |
| Portishead to Brunswick (Georgia) | 4,104.32 mi (6,605.26 km) |
| Portishead to Brunswick (Ohio) | 3,647.42 mi (5,869.96 km) |
| Portishead to Brushy Creek (Texas) | 4,799.77 mi (7,724.48 km) |
| Portishead to Bryan (Texas) | 4,738.20 mi (7,625.40 km) |
| Portishead to Bryant (Arkansas) | 4,384.33 mi (7,055.90 km) |
| Portishead to Bryn Mawr-Skyway (Washington) | 4,718.96 mi (7,594.43 km) |
| Portishead to Buckeye (Arizona) | 5,200.32 mi (8,369.11 km) |
| Portishead to Buckhall (Virginia) | 3,582.16 mi (5,764.92 km) |
| Portishead to Bucyrus (Ohio) | 3,712.98 mi (5,975.46 km) |
| Portishead to Buda (Texas) | 4,826.76 mi (7,767.91 km) |
| Portishead to Buena Park (California) | 5,359.01 mi (8,624.49 km) |
