| Keystone to Bougival | 4,553.38 mi (7,327.96 km) |
| Keystone to Bouguenais | 4,415.60 mi (7,106.23 km) |
| Keystone to Boulogne-Billancourt | 4,558.38 mi (7,336.01 km) |
| Keystone to Boulogne-sur-Mer | 4,496.95 mi (7,237.15 km) |
| Keystone to Bourg-de-Peage | 4,764.04 mi (7,666.99 km) |
| Keystone to Bourg-en-Bresse | 4,745.83 mi (7,637.67 km) |
| Keystone to Bourg-la-Reine | 4,562.69 mi (7,342.93 km) |
| Keystone to Bourg-les-Valence | 4,758.96 mi (7,658.80 km) |
| Keystone to Bourges | 4,599.34 mi (7,401.92 km) |
| Keystone to Bourgoin-Jallieu | 4,761.84 mi (7,663.43 km) |
| Keystone to Bressuire | 4,473.12 mi (7,198.80 km) |
| Keystone to Brest | 4,267.13 mi (6,867.28 km) |
| Keystone to Bretigny-sur-Orge | 4,565.49 mi (7,347.45 km) |
| Keystone to Breuillet | 4,560.45 mi (7,339.33 km) |
| Keystone to Briancon | 4,840.28 mi (7,789.68 km) |
