| Potters Bar to Bilecik | 1,638.29 mi (2,636.57 km) |
| Potters Bar to Bingol | 2,131.64 mi (3,430.54 km) |
| Potters Bar to Birecik | 2,107.30 mi (3,391.37 km) |
| Potters Bar to Bitlis | 2,220.55 mi (3,573.63 km) |
| Potters Bar to Bodrum | 1,681.75 mi (2,706.51 km) |
| Potters Bar to Bogazliyan | 1,897.32 mi (3,053.45 km) |
| Potters Bar to Bolu | 1,680.04 mi (2,703.76 km) |
| Potters Bar to Bolvadin | 1,745.56 mi (2,809.20 km) |
| Potters Bar to Bor | 1,927.19 mi (3,101.52 km) |
| Potters Bar to Borcka | 2,080.59 mi (3,348.38 km) |
| Potters Bar to Boyabat | 1,782.66 mi (2,868.91 km) |
| Potters Bar to Bozdogan | 1,685.09 mi (2,711.89 km) |
| Potters Bar to Bozkir | 1,864.63 mi (3,000.83 km) |
| Potters Bar to Bozkurt | 1,729.75 mi (2,783.76 km) |
| Potters Bar to Bozuyuk | 1,650.97 mi (2,656.98 km) |
