| Olen to Brandis | 335.69 mi (540.24 km) |
| Olen to Braunfels | 160.26 mi (257.91 km) |
| Olen to Braunsbedra | 305.13 mi (491.07 km) |
| Olen to Braunschweig | 254.51 mi (409.60 km) |
| Olen to Breckerfeld | 113.55 mi (182.74 km) |
| Olen to Breisach am Rhein | 247.67 mi (398.58 km) |
| Olen to Bremen | 214.26 mi (344.81 km) |
| Olen to Bremerhaven | 228.68 mi (368.03 km) |
| Olen to Bremervorde | 242.25 mi (389.86 km) |
| Olen to Bretten | 224.76 mi (361.72 km) |
| Olen to Bretzfeld | 244.09 mi (392.82 km) |
| Olen to Brieselang | 361.32 mi (581.49 km) |
| Olen to Brilon | 161.58 mi (260.04 km) |
| Olen to Bruchhausen-Vilsen | 211.38 mi (340.18 km) |
| Olen to Bruchkobel | 190.18 mi (306.06 km) |
