| San Marino to Barberino di Mugello | 6,170.51 mi (9,930.47 km) |
| San Marino to Barcellona-Pozzo di Gotto | 6,615.74 mi (10,647.01 km) |
| San Marino to Bareggio | 6,021.59 mi (9,690.82 km) |
| San Marino to Barga | 6,142.40 mi (9,885.23 km) |
| San Marino to Bari | 6,503.04 mi (10,465.63 km) |
| San Marino to Barletta | 6,474.48 mi (10,419.67 km) |
| San Marino to Baronissi | 6,458.67 mi (10,394.23 km) |
| San Marino to Barrafranca | 6,624.72 mi (10,661.45 km) |
| San Marino to Bassano del Grappa | 6,092.05 mi (9,804.20 km) |
| San Marino to Battipaglia | 6,472.55 mi (10,416.56 km) |
| San Marino to Beinasco | 5,999.30 mi (9,654.95 km) |
| San Marino to Bellinzago Novarese | 6,004.33 mi (9,663.04 km) |
| San Marino to Belluno | 6,086.77 mi (9,795.70 km) |
| San Marino to Belmonte Mezzagno | 6,560.01 mi (10,557.31 km) |
| San Marino to Belpasso | 6,639.15 mi (10,684.68 km) |
