| Castro Valley to Brandenburg | 5,638.62 mi (9,074.48 km) |
| Castro Valley to Brandis | 5,701.96 mi (9,176.41 km) |
| Castro Valley to Braunfels | 5,639.39 mi (9,075.73 km) |
| Castro Valley to Braunsbedra | 5,687.39 mi (9,152.97 km) |
| Castro Valley to Braunschweig | 5,597.72 mi (9,008.66 km) |
| Castro Valley to Breckerfeld | 5,573.97 mi (8,970.43 km) |
| Castro Valley to Breisach am Rhein | 5,753.20 mi (9,258.88 km) |
| Castro Valley to Bremen | 5,509.46 mi (8,866.63 km) |
| Castro Valley to Bremerhaven | 5,478.45 mi (8,816.71 km) |
| Castro Valley to Bremervorde | 5,495.85 mi (8,844.71 km) |
| Castro Valley to Bretten | 5,729.47 mi (9,220.70 km) |
| Castro Valley to Bretzfeld | 5,741.10 mi (9,239.41 km) |
| Castro Valley to Brieselang | 5,640.27 mi (9,077.13 km) |
| Castro Valley to Brilon | 5,596.08 mi (9,006.01 km) |
| Castro Valley to Bruchhausen-Vilsen | 5,528.25 mi (8,896.85 km) |
