| Portimao to Bonita (California) | 5,770.12 mi (9,286.11 km) |
| Portimao to Bonita Springs (Florida) | 4,263.84 mi (6,861.98 km) |
| Portimao to Bonney Lake (Washington) | 5,317.50 mi (8,557.70 km) |
| Portimao to Boone (Iowa) | 4,359.55 mi (7,016.02 km) |
| Portimao to Boone (North Carolina) | 3,944.48 mi (6,348.03 km) |
| Portimao to Borger (Texas) | 4,930.58 mi (7,935.00 km) |
| Portimao to Bossier City (Louisiana) | 4,668.18 mi (7,512.71 km) |
| Portimao to Boston (Massachusetts) | 3,267.84 mi (5,259.08 km) |
| Portimao to Bostonia (California) | 5,759.62 mi (9,269.21 km) |
| Portimao to Bothell (Washington) | 5,291.55 mi (8,515.93 km) |
| Portimao to Bothell East (Washington) | 5,289.35 mi (8,512.39 km) |
| Portimao to Bothell West (Washington) | 5,291.33 mi (8,515.57 km) |
| Portimao to Boulder (Colorado) | 4,941.89 mi (7,953.21 km) |
| Portimao to Boulder City (Nevada) | 5,537.41 mi (8,911.60 km) |
| Portimao to Bound Brook (New Jersey) | 3,474.51 mi (5,591.69 km) |
