| Aarau to Brandenburg | 399.75 mi (643.33 km) |
| Aarau to Brandis | 340.42 mi (547.86 km) |
| Aarau to Braunfels | 215.87 mi (347.41 km) |
| Aarau to Braunsbedra | 319.32 mi (513.89 km) |
| Aarau to Braunschweig | 353.71 mi (569.25 km) |
| Aarau to Breckerfeld | 268.45 mi (432.03 km) |
| Aarau to Breisach am Rhein | 48.84 mi (78.60 km) |
| Aarau to Bremen | 394.07 mi (634.19 km) |
| Aarau to Bremerhaven | 425.57 mi (684.88 km) |
| Aarau to Bremervorde | 423.00 mi (680.75 km) |
| Aarau to Bretten | 117.03 mi (188.34 km) |
| Aarau to Bretzfeld | 138.65 mi (223.14 km) |
| Aarau to Brieselang | 420.02 mi (675.95 km) |
| Aarau to Brilon | 277.05 mi (445.86 km) |
| Aarau to Bruchhausen-Vilsen | 377.75 mi (607.93 km) |