| Bonn to Bitritto | 815.02 mi (1,311.65 km) |
| Bonn to Bollate | 369.97 mi (595.40 km) |
| Bonn to Bologna | 474.04 mi (762.89 km) |
| Bonn to Bolzano | 351.15 mi (565.12 km) |
| Bonn to Bomporto | 452.90 mi (728.88 km) |
| Bonn to Bonate di Sopra | 366.89 mi (590.45 km) |
| Bonn to Bondeno | 450.92 mi (725.68 km) |
| Bonn to Bordighera | 480.93 mi (773.98 km) |
| Bonn to Borgaro Torinese | 386.60 mi (622.18 km) |
| Bonn to Borgo a Buggiano | 502.81 mi (809.19 km) |
| Bonn to Borgo San Dalmazzo | 442.56 mi (712.23 km) |
| Bonn to Borgo San Lorenzo | 509.56 mi (820.06 km) |
| Bonn to Borgomanero | 353.40 mi (568.74 km) |
| Bonn to Borgoricco | 424.39 mi (682.99 km) |
| Bonn to Borgosatollo | 390.97 mi (629.21 km) |
