| Rio Grande City to Bonhill | 4,882.37 mi (7,857.42 km) |
| Rio Grande City to Bonnyrigg | 4,938.32 mi (7,947.45 km) |
| Rio Grande City to Bootle | 5,000.94 mi (8,048.23 km) |
| Rio Grande City to Borehamwood | 5,153.02 mi (8,292.98 km) |
| Rio Grande City to Boscombe | 5,115.39 mi (8,232.42 km) |
| Rio Grande City to Boston | 5,127.02 mi (8,251.14 km) |
| Rio Grande City to Bottesford | 5,086.80 mi (8,186.41 km) |
| Rio Grande City to Bourne | 5,118.89 mi (8,238.05 km) |
| Rio Grande City to Bournemouth | 5,113.90 mi (8,230.03 km) |
| Rio Grande City to Bournville | 5,067.30 mi (8,155.03 km) |
| Rio Grande City to Bovingdon | 5,140.83 mi (8,273.37 km) |
| Rio Grande City to Bowdon | 5,026.62 mi (8,089.56 km) |
| Rio Grande City to Boxley | 5,194.99 mi (8,360.52 km) |
| Rio Grande City to Brackley | 5,108.57 mi (8,221.45 km) |
| Rio Grande City to Bracknell | 5,140.72 mi (8,273.19 km) |
