| Sintra to Bay City (Texas) | 4,826.54 mi (7,767.57 km) |
| Sintra to Bay Point (California) | 5,620.67 mi (9,045.60 km) |
| Sintra to Bay Shore (New York) | 3,317.05 mi (5,338.27 km) |
| Sintra to Bay Village (Ohio) | 3,719.16 mi (5,985.41 km) |
| Sintra to Bayamón (Puerto Rico) | 3,657.01 mi (5,885.38 km) |
| Sintra to Bayonet Point (Florida) | 4,170.69 mi (6,712.08 km) |
| Sintra to Bayonne (New Jersey) | 3,361.17 mi (5,409.28 km) |
| Sintra to Bayou Blue (Louisiana) | 4,535.30 mi (7,298.86 km) |
| Sintra to Bayou Cane (Louisiana) | 4,539.61 mi (7,305.79 km) |
| Sintra to Bayshore Gardens (Florida) | 4,196.97 mi (6,754.37 km) |
| Sintra to Baytown (Texas) | 4,747.08 mi (7,639.69 km) |
| Sintra to Beach Park (Illinois) | 3,970.94 mi (6,390.61 km) |
| Sintra to Beachwood (New Jersey) | 3,383.27 mi (5,444.84 km) |
| Sintra to Beachwood (Ohio) | 3,698.95 mi (5,952.89 km) |
| Sintra to Beacon (New York) | 3,334.26 mi (5,365.97 km) |
