| Holyhead to Blumberg | 688.76 mi (1,108.46 km) |
| Holyhead to Bobenheim-Roxheim | 614.73 mi (989.31 km) |
| Holyhead to Bobingen | 757.31 mi (1,218.77 km) |
| Holyhead to Boblingen | 672.46 mi (1,082.22 km) |
| Holyhead to Bocholt | 482.74 mi (776.90 km) |
| Holyhead to Bochum | 514.60 mi (828.17 km) |
| Holyhead to Bockenem | 624.07 mi (1,004.34 km) |
| Holyhead to Bockhorn | 521.02 mi (838.50 km) |
| Holyhead to Bogen | 807.54 mi (1,299.60 km) |
| Holyhead to Bohl-Iggelheim | 620.11 mi (997.96 km) |
| Holyhead to Bohmte | 543.63 mi (874.89 km) |
| Holyhead to Boizenburg | 632.05 mi (1,017.18 km) |
| Holyhead to Bonen | 534.26 mi (859.80 km) |
| Holyhead to Bonn | 528.91 mi (851.20 km) |
| Holyhead to Bopfingen | 717.65 mi (1,154.94 km) |
