| Sintra to Bailey's Crossroads (Virginia) | 3,556.17 mi (5,723.11 km) |
| Sintra to Bainbridge (Georgia) | 4,178.36 mi (6,724.42 km) |
| Sintra to Bainbridge Island (Washington) | 5,191.24 mi (8,354.49 km) |
| Sintra to Baker (Louisiana) | 4,524.94 mi (7,282.19 km) |
| Sintra to Bakersfield (California) | 5,627.02 mi (9,055.81 km) |
| Sintra to Balch Springs (Texas) | 4,716.23 mi (7,590.04 km) |
| Sintra to Baldwin (New York) | 3,336.51 mi (5,369.60 km) |
| Sintra to Baldwin (Pennsylvania) | 3,654.64 mi (5,881.58 km) |
| Sintra to Baldwin Park (California) | 5,640.63 mi (9,077.72 km) |
| Sintra to Ballenger Creek (Maryland) | 3,556.35 mi (5,723.40 km) |
| Sintra to Ballwin (Missouri) | 4,216.25 mi (6,785.40 km) |
| Sintra to Baltimore (Maryland) | 3,518.50 mi (5,662.48 km) |
| Sintra to Bangor (Maine) | 3,018.65 mi (4,858.05 km) |
| Sintra to Banning (California) | 5,600.83 mi (9,013.67 km) |
| Sintra to Baraboo (Wisconsin) | 4,026.17 mi (6,479.50 km) |
