| Risca to Bilecik | 1,756.78 mi (2,827.26 km) |
| Risca to Bingol | 2,254.63 mi (3,628.48 km) |
| Risca to Birecik | 2,227.89 mi (3,585.43 km) |
| Risca to Bitlis | 2,343.80 mi (3,771.98 km) |
| Risca to Bodrum | 1,792.96 mi (2,885.48 km) |
| Risca to Bogazliyan | 2,018.25 mi (3,248.06 km) |
| Risca to Bolu | 1,800.37 mi (2,897.41 km) |
| Risca to Bolvadin | 1,863.09 mi (2,998.36 km) |
| Risca to Bor | 2,046.45 mi (3,293.45 km) |
| Risca to Borcka | 2,204.93 mi (3,548.50 km) |
| Risca to Boyabat | 1,905.24 mi (3,066.18 km) |
| Risca to Bozdogan | 1,798.41 mi (2,894.26 km) |
| Risca to Bozkir | 1,981.30 mi (3,188.59 km) |
| Risca to Bozkurt | 1,844.72 mi (2,968.79 km) |
| Risca to Bozuyuk | 1,769.20 mi (2,847.25 km) |
