| Colwyn Bay to Borgosatollo | 824.87 mi (1,327.50 km) |
| Colwyn Bay to Borgosesia | 747.90 mi (1,203.63 km) |
| Colwyn Bay to Boscoreale | 1,210.67 mi (1,948.39 km) |
| Colwyn Bay to Boscotrecase | 1,209.24 mi (1,946.08 km) |
| Colwyn Bay to Botticino Sera | 821.81 mi (1,322.58 km) |
| Colwyn Bay to Bovalino Marina | 1,409.14 mi (2,267.79 km) |
| Colwyn Bay to Boves | 801.18 mi (1,289.38 km) |
| Colwyn Bay to Boville Ernica | 1,130.01 mi (1,818.58 km) |
| Colwyn Bay to Bovisio Masciago | 781.57 mi (1,257.82 km) |
| Colwyn Bay to Bovolone | 866.40 mi (1,394.34 km) |
| Colwyn Bay to Bra | 789.52 mi (1,270.60 km) |
| Colwyn Bay to Bracciano | 1,064.63 mi (1,713.35 km) |
| Colwyn Bay to Brandizzo | 763.17 mi (1,228.20 km) |
| Colwyn Bay to Breganze | 859.82 mi (1,383.75 km) |
| Colwyn Bay to Brembate | 795.60 mi (1,280.40 km) |
