| San Marino to Bougival | 5,629.83 mi (9,060.34 km) |
| San Marino to Bouguenais | 5,580.50 mi (8,980.95 km) |
| San Marino to Boulogne-Billancourt | 5,634.59 mi (9,068.00 km) |
| San Marino to Boulogne-sur-Mer | 5,524.46 mi (8,890.76 km) |
| San Marino to Bourg-de-Peage | 5,913.59 mi (9,517.00 km) |
| San Marino to Bourg-en-Bresse | 5,861.56 mi (9,433.27 km) |
| San Marino to Bourg-la-Reine | 5,639.69 mi (9,076.20 km) |
| San Marino to Bourg-les-Valence | 5,912.81 mi (9,515.75 km) |
| San Marino to Bourges | 5,723.66 mi (9,211.34 km) |
| San Marino to Bourgoin-Jallieu | 5,893.87 mi (9,485.26 km) |
| San Marino to Bressuire | 5,635.85 mi (9,070.02 km) |
| San Marino to Brest | 5,424.77 mi (8,730.33 km) |
| San Marino to Bretigny-sur-Orge | 5,647.43 mi (9,088.66 km) |
| San Marino to Breuillet | 5,645.16 mi (9,085.00 km) |
| San Marino to Briancon | 5,974.04 mi (9,614.28 km) |
