| San Marino to Belvedere Marittimo | 6,555.82 mi (10,550.57 km) |
| San Marino to Benevento | 6,437.84 mi (10,360.69 km) |
| San Marino to Bergamo | 6,031.57 mi (9,706.87 km) |
| San Marino to Bernalda | 6,536.99 mi (10,520.27 km) |
| San Marino to Bertinoro | 6,190.81 mi (9,963.15 km) |
| San Marino to Besana in Brianza | 6,019.05 mi (9,686.73 km) |
| San Marino to Besozzo | 5,991.63 mi (9,642.59 km) |
| San Marino to Biancavilla | 6,631.61 mi (10,672.55 km) |
| San Marino to Biassono | 6,021.99 mi (9,691.46 km) |
| San Marino to Bibbiano | 6,110.75 mi (9,834.31 km) |
| San Marino to Bibbiena | 6,204.89 mi (9,985.81 km) |
| San Marino to Biella | 5,986.91 mi (9,635.01 km) |
| San Marino to Bisceglie | 6,485.40 mi (10,437.24 km) |
| San Marino to Bisignano | 6,574.59 mi (10,580.78 km) |
| San Marino to Bitetto | 6,504.61 mi (10,468.16 km) |
