| Sintra to Barberton (Ohio) | 3,716.33 mi (5,980.85 km) |
| Sintra to Bardstown (Kentucky) | 3,995.63 mi (6,430.35 km) |
| Sintra to Barrington (Illinois) | 3,991.50 mi (6,423.70 km) |
| Sintra to Barstow (California) | 5,565.32 mi (8,956.51 km) |
| Sintra to Bartlesville (Oklahoma) | 4,536.05 mi (7,300.06 km) |
| Sintra to Bartlett (Illinois) | 4,000.24 mi (6,437.76 km) |
| Sintra to Bartlett (Tennessee) | 4,293.48 mi (6,909.68 km) |
| Sintra to Bartow (Florida) | 4,141.12 mi (6,664.48 km) |
| Sintra to Batavia (Illinois) | 4,009.00 mi (6,451.86 km) |
| Sintra to Batavia (New York) | 3,502.31 mi (5,636.42 km) |
| Sintra to Batesville (Arkansas) | 4,363.07 mi (7,021.68 km) |
| Sintra to Baton Rouge (Louisiana) | 4,528.75 mi (7,288.33 km) |
| Sintra to Battle Creek (Michigan) | 3,852.48 mi (6,199.96 km) |
| Sintra to Battle Ground (Washington) | 5,278.04 mi (8,494.19 km) |
| Sintra to Bay City (Michigan) | 3,755.00 mi (6,043.09 km) |
