| Castro Valley to Bastogne | 5,594.10 mi (9,002.83 km) |
| Castro Valley to Beauraing | 5,566.95 mi (8,959.14 km) |
| Castro Valley to Beernem | 5,466.66 mi (8,797.74 km) |
| Castro Valley to Beerse | 5,500.43 mi (8,852.08 km) |
| Castro Valley to Beersel | 5,514.01 mi (8,873.95 km) |
| Castro Valley to Begijnendijk | 5,513.92 mi (8,873.80 km) |
| Castro Valley to Beloeil | 5,509.23 mi (8,866.25 km) |
| Castro Valley to Berchem | 5,494.92 mi (8,843.22 km) |
| Castro Valley to Beringen | 5,525.18 mi (8,891.91 km) |
| Castro Valley to Berlaar | 5,504.96 mi (8,859.38 km) |
| Castro Valley to Berlare | 5,491.59 mi (8,837.86 km) |
| Castro Valley to Bernissart | 5,509.94 mi (8,867.39 km) |
| Castro Valley to Bertem | 5,518.12 mi (8,880.55 km) |
| Castro Valley to Bertrix | 5,588.92 mi (8,994.50 km) |
| Castro Valley to Beveren | 5,489.37 mi (8,834.28 km) |
