| San Marino to Bonhill | 5,095.12 mi (8,199.81 km) |
| San Marino to Bonnyrigg | 5,144.22 mi (8,278.83 km) |
| San Marino to Bootle | 5,253.72 mi (8,455.04 km) |
| San Marino to Borehamwood | 5,420.73 mi (8,723.82 km) |
| San Marino to Boscombe | 5,412.08 mi (8,709.90 km) |
| San Marino to Boston | 5,368.22 mi (8,639.32 km) |
| San Marino to Bottesford | 5,321.67 mi (8,564.40 km) |
| San Marino to Bourne | 5,366.52 mi (8,636.57 km) |
| San Marino to Bournemouth | 5,410.98 mi (8,708.13 km) |
| San Marino to Bournville | 5,332.39 mi (8,581.66 km) |
| San Marino to Bovingdon | 5,409.26 mi (8,705.37 km) |
| San Marino to Bowdon | 5,276.55 mi (8,491.78 km) |
| San Marino to Boxley | 5,463.23 mi (8,792.22 km) |
| San Marino to Brackley | 5,375.62 mi (8,651.22 km) |
| San Marino to Bracknell | 5,416.46 mi (8,716.95 km) |
