| Portimao to Bountiful (Utah) | 5,193.09 mi (8,357.48 km) |
| Portimao to Bourbonnais (Illinois) | 4,106.57 mi (6,608.89 km) |
| Portimao to Bowie (Maryland) | 3,622.39 mi (5,829.67 km) |
| Portimao to Bowling Green (Kentucky) | 4,161.11 mi (6,696.66 km) |
| Portimao to Bowling Green (Ohio) | 3,899.80 mi (6,276.13 km) |
| Portimao to Box Elder (South Dakota) | 4,697.15 mi (7,559.33 km) |
| Portimao to Boynton Beach (Florida) | 4,166.32 mi (6,705.04 km) |
| Portimao to Bozeman (Montana) | 4,965.43 mi (7,991.10 km) |
| Portimao to Bradenton (Florida) | 4,267.24 mi (6,867.46 km) |
| Portimao to Bradfordville (Florida) | 4,249.99 mi (6,839.70 km) |
| Portimao to Bradley (Illinois) | 4,105.54 mi (6,607.23 km) |
| Portimao to Bradley Gardens (New Jersey) | 3,480.87 mi (5,601.92 km) |
| Portimao to Brainerd (Minnesota) | 4,243.15 mi (6,828.69 km) |
| Portimao to Brambleton (Virginia) | 3,661.44 mi (5,892.51 km) |
| Portimao to Brandermill (Virginia) | 3,707.19 mi (5,966.15 km) |
