| Portugalete to Brownsburg (Indiana) | 4,127.14 mi (6,641.99 km) |
| Portugalete to Brownsville (Florida) | 4,398.59 mi (7,078.84 km) |
| Portugalete to Brownsville (Texas) | 5,217.62 mi (8,396.95 km) |
| Portugalete to Brownwood (Texas) | 5,027.12 mi (8,090.37 km) |
| Portugalete to Brunswick (Georgia) | 4,238.89 mi (6,821.84 km) |
| Portugalete to Brunswick (Ohio) | 3,872.20 mi (6,231.71 km) |
| Portugalete to Brushy Creek (Texas) | 5,025.60 mi (8,087.91 km) |
| Portugalete to Bryan (Texas) | 4,957.24 mi (7,977.91 km) |
| Portugalete to Bryant (Arkansas) | 4,609.82 mi (7,418.79 km) |
| Portugalete to Bryn Mawr-Skyway (Washington) | 5,153.35 mi (8,293.52 km) |
| Portugalete to Buckeye (Arizona) | 5,525.77 mi (8,892.87 km) |
| Portugalete to Buckhall (Virginia) | 3,761.46 mi (6,053.48 km) |
| Portugalete to Bucyrus (Ohio) | 3,939.37 mi (6,339.81 km) |
| Portugalete to Buda (Texas) | 5,050.25 mi (8,127.60 km) |
| Portugalete to Buena Park (California) | 5,714.15 mi (9,196.03 km) |
