| San Marino to Bilecik | 6,917.02 mi (11,131.86 km) |
| San Marino to Bingol | 7,209.97 mi (11,603.32 km) |
| San Marino to Birecik | 7,285.97 mi (11,725.63 km) |
| San Marino to Bitlis | 7,268.09 mi (11,696.86 km) |
| San Marino to Bodrum | 7,043.61 mi (11,335.60 km) |
| San Marino to Bogazliyan | 7,092.35 mi (11,414.03 km) |
| San Marino to Bolu | 6,917.38 mi (11,132.45 km) |
| San Marino to Bolvadin | 7,030.65 mi (11,314.74 km) |
| San Marino to Bor | 7,161.73 mi (11,525.69 km) |
| San Marino to Borcka | 7,065.58 mi (11,370.95 km) |
| San Marino to Boyabat | 6,937.75 mi (11,165.22 km) |
| San Marino to Bozdogan | 7,027.99 mi (11,310.46 km) |
| San Marino to Bozkir | 7,153.94 mi (11,513.15 km) |
| San Marino to Bozkurt | 7,051.98 mi (11,349.07 km) |
| San Marino to Bozuyuk | 6,932.93 mi (11,157.48 km) |
