| Troisdorf to Bitritto | 818.00 mi (1,316.44 km) |
| Troisdorf to Bollate | 374.86 mi (603.28 km) |
| Troisdorf to Bologna | 478.12 mi (769.47 km) |
| Troisdorf to Bolzano | 354.47 mi (570.46 km) |
| Troisdorf to Bomporto | 457.06 mi (735.57 km) |
| Troisdorf to Bonate di Sopra | 371.53 mi (597.92 km) |
| Troisdorf to Bondeno | 454.86 mi (732.02 km) |
| Troisdorf to Bordighera | 486.51 mi (782.96 km) |
| Troisdorf to Borgaro Torinese | 392.15 mi (631.11 km) |
| Troisdorf to Borgo a Buggiano | 507.29 mi (816.40 km) |
| Troisdorf to Borgo San Dalmazzo | 448.18 mi (721.27 km) |
| Troisdorf to Borgo San Lorenzo | 513.76 mi (826.82 km) |
| Troisdorf to Borgomanero | 358.58 mi (577.08 km) |
| Troisdorf to Borgoricco | 427.83 mi (688.53 km) |
| Troisdorf to Borgosatollo | 395.32 mi (636.21 km) |
