| Castro Valley to Beuvry | 5,480.01 mi (8,819.23 km) |
| Castro Valley to Beziers | 5,871.36 mi (9,449.03 km) |
| Castro Valley to Bezons | 5,548.85 mi (8,930.00 km) |
| Castro Valley to Biarritz | 5,704.30 mi (9,180.18 km) |
| Castro Valley to Biganos | 5,665.57 mi (9,117.85 km) |
| Castro Valley to Billere | 5,753.12 mi (9,258.75 km) |
| Castro Valley to Biot | 5,979.05 mi (9,622.35 km) |
| Castro Valley to Biscarrosse | 5,671.95 mi (9,128.12 km) |
| Castro Valley to Bischheim | 5,726.25 mi (9,215.51 km) |
| Castro Valley to Bischwiller | 5,720.85 mi (9,206.82 km) |
| Castro Valley to Blagnac | 5,796.17 mi (9,328.03 km) |
| Castro Valley to Blain | 5,497.86 mi (8,847.95 km) |
| Castro Valley to Blanquefort | 5,663.54 mi (9,114.58 km) |
| Castro Valley to Blois | 5,590.24 mi (8,996.63 km) |
| Castro Valley to Bobigny | 5,556.32 mi (8,942.03 km) |
