| Ottaviano to Beyne-Heusay | 796.62 mi (1,282.04 km) |
| Ottaviano to Bierbeek | 831.68 mi (1,338.45 km) |
| Ottaviano to Bilzen | 814.08 mi (1,310.13 km) |
| Ottaviano to Binche | 825.16 mi (1,327.97 km) |
| Ottaviano to Bissegem | 874.36 mi (1,407.14 km) |
| Ottaviano to Blankenberge | 902.14 mi (1,451.85 km) |
| Ottaviano to Blegny | 797.33 mi (1,283.18 km) |
| Ottaviano to Bocholt | 829.88 mi (1,335.55 km) |
| Ottaviano to Boechout | 856.53 mi (1,378.45 km) |
| Ottaviano to Bonheiden | 848.82 mi (1,366.05 km) |
| Ottaviano to Boom | 856.00 mi (1,377.61 km) |
| Ottaviano to Boortmeerbeek | 845.21 mi (1,360.23 km) |
| Ottaviano to Borgerhout | 861.03 mi (1,385.69 km) |
| Ottaviano to Borgloon | 814.86 mi (1,311.39 km) |
| Ottaviano to Bornem | 860.51 mi (1,384.85 km) |
