| Sintra to Brownsburg (Indiana) | 3,978.72 mi (6,403.14 km) |
| Sintra to Brownsville (Florida) | 4,131.79 mi (6,649.47 km) |
| Sintra to Brownsville (Texas) | 5,019.45 mi (8,078.03 km) |
| Sintra to Brownwood (Texas) | 4,869.69 mi (7,837.01 km) |
| Sintra to Brunswick (Georgia) | 4,010.59 mi (6,454.41 km) |
| Sintra to Brunswick (Ohio) | 3,720.25 mi (5,987.17 km) |
| Sintra to Brushy Creek (Texas) | 4,855.68 mi (7,814.47 km) |
| Sintra to Bryan (Texas) | 4,782.78 mi (7,697.15 km) |
| Sintra to Bryant (Arkansas) | 4,445.75 mi (7,154.75 km) |
| Sintra to Bryn Mawr-Skyway (Washington) | 5,187.67 mi (8,348.75 km) |
| Sintra to Buckeye (Arizona) | 5,437.06 mi (8,750.10 km) |
| Sintra to Buckhall (Virginia) | 3,575.23 mi (5,753.78 km) |
| Sintra to Bucyrus (Ohio) | 3,787.47 mi (6,095.35 km) |
| Sintra to Buda (Texas) | 4,878.10 mi (7,850.54 km) |
| Sintra to Buena Park (California) | 5,652.40 mi (9,096.65 km) |
