| Holyhead to Borsbeek | 411.84 mi (662.79 km) |
| Holyhead to Boussu | 410.47 mi (660.59 km) |
| Holyhead to Braine-l'Alleud | 423.55 mi (681.64 km) |
| Holyhead to Braine-le-Chateau | 419.44 mi (675.02 km) |
| Holyhead to Braine-le-Comte | 417.19 mi (671.41 km) |
| Holyhead to Brasschaat | 409.48 mi (658.99 km) |
| Holyhead to Brecht | 413.65 mi (665.71 km) |
| Holyhead to Bredene | 351.97 mi (566.44 km) |
| Holyhead to Bree | 457.33 mi (736.00 km) |
| Holyhead to Bruges | 362.34 mi (583.13 km) |
| Holyhead to Brussels | 417.39 mi (671.72 km) |
| Holyhead to Buggenhout | 406.66 mi (654.45 km) |
| Holyhead to Chapelle-lez-Herlaimont | 427.54 mi (688.05 km) |
| Holyhead to Charleroi | 435.57 mi (700.98 km) |
| Holyhead to Chatelet | 438.72 mi (706.05 km) |
