| Castro Valley to Beausoleil | 5,982.91 mi (9,628.57 km) |
| Castro Valley to Beauvais | 5,519.12 mi (8,882.17 km) |
| Castro Valley to Begles | 5,671.69 mi (9,127.70 km) |
| Castro Valley to Belfort | 5,753.62 mi (9,259.56 km) |
| Castro Valley to Bellegarde-sur-Valserine | 5,806.20 mi (9,344.18 km) |
| Castro Valley to Bellerive-sur-Allier | 5,731.66 mi (9,224.22 km) |
| Castro Valley to Bellevue | 5,556.73 mi (8,942.69 km) |
| Castro Valley to Belley | 5,820.77 mi (9,367.62 km) |
| Castro Valley to Berck-sur-Mer | 5,453.91 mi (8,777.22 km) |
| Castro Valley to Bergerac | 5,703.67 mi (9,179.17 km) |
| Castro Valley to Bernay | 5,491.31 mi (8,837.41 km) |
| Castro Valley to Berre-l'Etang | 5,927.17 mi (9,538.86 km) |
| Castro Valley to Besancon | 5,751.05 mi (9,255.42 km) |
| Castro Valley to Bethune | 5,478.34 mi (8,816.54 km) |
| Castro Valley to Betton | 5,466.61 mi (8,797.65 km) |
