| San Marino to Bitonto | 6,497.91 mi (10,457.38 km) |
| San Marino to Bitritto | 6,506.23 mi (10,470.77 km) |
| San Marino to Bollate | 6,021.54 mi (9,690.73 km) |
| San Marino to Bologna | 6,147.63 mi (9,893.66 km) |
| San Marino to Bolzano | 6,041.54 mi (9,722.92 km) |
| San Marino to Bomporto | 6,125.18 mi (9,857.52 km) |
| San Marino to Bonate di Sopra | 6,028.91 mi (9,702.59 km) |
| San Marino to Bondeno | 6,129.26 mi (9,864.08 km) |
| San Marino to Bordighera | 6,065.13 mi (9,760.88 km) |
| San Marino to Borgaro Torinese | 5,994.68 mi (9,647.51 km) |
| San Marino to Borgo a Buggiano | 6,160.59 mi (9,914.51 km) |
| San Marino to Borgo San Dalmazzo | 6,030.89 mi (9,705.78 km) |
| San Marino to Borgo San Lorenzo | 6,177.82 mi (9,942.24 km) |
| San Marino to Borgomanero | 5,992.96 mi (9,644.73 km) |
| San Marino to Borgoricco | 6,112.52 mi (9,837.16 km) |
