| Potters Bar to Borgosatollo | 640.55 mi (1,030.86 km) |
| Potters Bar to Borgosesia | 564.28 mi (908.11 km) |
| Potters Bar to Boscoreale | 1,026.66 mi (1,652.24 km) |
| Potters Bar to Boscotrecase | 1,025.22 mi (1,649.93 km) |
| Potters Bar to Botticino Sera | 637.49 mi (1,025.94 km) |
| Potters Bar to Bovalino Marina | 1,225.52 mi (1,972.29 km) |
| Potters Bar to Boves | 621.08 mi (999.52 km) |
| Potters Bar to Boville Ernica | 946.04 mi (1,522.50 km) |
| Potters Bar to Bovisio Masciago | 597.44 mi (961.49 km) |
| Potters Bar to Bovolone | 682.14 mi (1,097.80 km) |
| Potters Bar to Bra | 608.04 mi (978.55 km) |
| Potters Bar to Bracciano | 881.13 mi (1,418.04 km) |
| Potters Bar to Brandizzo | 580.85 mi (934.79 km) |
| Potters Bar to Breganze | 676.01 mi (1,087.94 km) |
| Potters Bar to Brembate | 611.34 mi (983.86 km) |
