| Castro Valley to Brescia | 5,965.90 mi (9,601.20 km) |
| Castro Valley to Bressanone | 5,939.54 mi (9,558.76 km) |
| Castro Valley to Bresso | 5,936.53 mi (9,553.93 km) |
| Castro Valley to Brindisi | 6,462.32 mi (10,400.10 km) |
| Castro Valley to Broni | 5,964.94 mi (9,599.65 km) |
| Castro Valley to Bronte | 6,542.45 mi (10,529.05 km) |
| Castro Valley to Brugherio | 5,938.96 mi (9,557.83 km) |
| Castro Valley to Brugnera | 6,009.70 mi (9,671.68 km) |
| Castro Valley to Bruino | 5,914.54 mi (9,518.54 km) |
| Castro Valley to Brunico | 5,942.53 mi (9,563.57 km) |
| Castro Valley to Brusciano | 6,348.64 mi (10,217.15 km) |
| Castro Valley to Bucine | 6,121.52 mi (9,851.64 km) |
| Castro Valley to Budrio | 6,058.74 mi (9,750.60 km) |
| Castro Valley to Busca | 5,941.87 mi (9,562.51 km) |
| Castro Valley to Bussolengo | 5,987.75 mi (9,636.35 km) |
