| Sintra to Beverly Hills (Florida) | 4,137.88 mi (6,659.27 km) |
| Sintra to Beverly Hills (Michigan) | 3,753.29 mi (6,040.34 km) |
| Sintra to Bexley (Ohio) | 3,809.38 mi (6,130.61 km) |
| Sintra to Biddeford (Maine) | 3,122.45 mi (5,025.09 km) |
| Sintra to Big Bear City (California) | 5,582.15 mi (8,983.61 km) |
| Sintra to Big Lake (Minnesota) | 4,147.50 mi (6,674.75 km) |
| Sintra to Big Spring (Texas) | 4,969.80 mi (7,998.12 km) |
| Sintra to Billings (Montana) | 4,749.58 mi (7,643.70 km) |
| Sintra to Biloxi (Mississippi) | 4,418.34 mi (7,110.63 km) |
| Sintra to Binghamton (New York) | 3,414.77 mi (5,495.53 km) |
| Sintra to Birmingham (Alabama) | 4,201.51 mi (6,761.68 km) |
| Sintra to Birmingham (Michigan) | 3,751.48 mi (6,037.43 km) |
| Sintra to Bismarck (North Dakota) | 4,397.06 mi (7,076.38 km) |
| Sintra to Bithlo (Florida) | 4,079.86 mi (6,565.91 km) |
| Sintra to Bixby (Oklahoma) | 4,561.38 mi (7,340.83 km) |
