| Portimao to Bailey's Crossroads (Virginia) | 3,644.62 mi (5,865.44 km) |
| Portimao to Bainbridge (Georgia) | 4,258.26 mi (6,853.00 km) |
| Portimao to Bainbridge Island (Washington) | 5,309.29 mi (8,544.48 km) |
| Portimao to Baker (Louisiana) | 4,609.48 mi (7,418.25 km) |
| Portimao to Bakersfield (California) | 5,735.65 mi (9,230.64 km) |
| Portimao to Balch Springs (Texas) | 4,807.78 mi (7,737.38 km) |
| Portimao to Baldwin (New York) | 3,426.39 mi (5,514.24 km) |
| Portimao to Baldwin (Pennsylvania) | 3,747.21 mi (6,030.55 km) |
| Portimao to Baldwin Park (California) | 5,747.62 mi (9,249.91 km) |
| Portimao to Ballenger Creek (Maryland) | 3,645.90 mi (5,867.51 km) |
| Portimao to Ballwin (Missouri) | 4,311.87 mi (6,939.28 km) |
| Portimao to Baltimore (Maryland) | 3,607.48 mi (5,805.67 km) |
| Portimao to Bangor (Maine) | 3,114.49 mi (5,012.29 km) |
| Portimao to Banning (California) | 5,707.06 mi (9,184.63 km) |
| Portimao to Baraboo (Wisconsin) | 4,127.93 mi (6,643.27 km) |
