| Holyhead to Bicaz | 1,418.59 mi (2,283.00 km) |
| Holyhead to Bistrita | 1,345.74 mi (2,165.77 km) |
| Holyhead to Blaj | 1,355.41 mi (2,181.32 km) |
| Holyhead to Bocsa | 1,296.63 mi (2,086.72 km) |
| Holyhead to Boldesti-Scaeni | 1,484.22 mi (2,388.61 km) |
| Holyhead to Bolintin Vale | 1,495.87 mi (2,407.38 km) |
| Holyhead to Borsa | 1,335.18 mi (2,148.76 km) |
| Holyhead to Botosani | 1,414.80 mi (2,276.90 km) |
| Holyhead to Brad | 1,311.43 mi (2,110.55 km) |
| Holyhead to Bragadiru | 1,507.71 mi (2,426.42 km) |
| Holyhead to Braila | 1,553.78 mi (2,500.56 km) |
| Holyhead to Brasov | 1,443.40 mi (2,322.93 km) |
| Holyhead to Breaza | 1,463.27 mi (2,354.90 km) |
| Holyhead to Bucharest | 1,510.47 mi (2,430.87 km) |
| Holyhead to Buftea | 1,498.83 mi (2,412.13 km) |
