| Portici to Bingol | 1,388.85 mi (2,235.14 km) |
| Portici to Birecik | 1,293.11 mi (2,081.06 km) |
| Portici to Bitlis | 1,481.21 mi (2,383.78 km) |
| Portici to Bodrum | 749.27 mi (1,205.83 km) |
| Portici to Bogazliyan | 1,109.45 mi (1,785.48 km) |
| Portici to Bolu | 901.95 mi (1,451.55 km) |
| Portici to Bolvadin | 897.76 mi (1,444.81 km) |
| Portici to Bor | 1,096.91 mi (1,765.30 km) |
| Portici to Borcka | 1,418.15 mi (2,282.29 km) |
| Portici to Boyabat | 1,061.47 mi (1,708.28 km) |
| Portici to Bozdogan | 777.46 mi (1,251.21 km) |
| Portici to Bozkir | 991.56 mi (1,595.77 km) |
| Portici to Bozkurt | 841.26 mi (1,353.88 km) |
| Portici to Bozuyuk | 827.59 mi (1,331.88 km) |
| Portici to Bucak | 899.98 mi (1,448.38 km) |
