| Preakness to Bougival | 3,617.90 mi (5,822.45 km) |
| Preakness to Bouguenais | 3,499.22 mi (5,631.45 km) |
| Preakness to Boulogne-Billancourt | 3,622.95 mi (5,830.57 km) |
| Preakness to Boulogne-sur-Mer | 3,549.59 mi (5,712.51 km) |
| Preakness to Bourg-de-Peage | 3,851.11 mi (6,197.77 km) |
| Preakness to Bourg-en-Bresse | 3,823.80 mi (6,153.82 km) |
| Preakness to Bourg-la-Reine | 3,627.52 mi (5,837.94 km) |
| Preakness to Bourg-les-Valence | 3,847.07 mi (6,191.26 km) |
| Preakness to Bourges | 3,676.38 mi (5,916.56 km) |
| Preakness to Bourgoin-Jallieu | 3,844.28 mi (6,186.77 km) |
| Preakness to Bressuire | 3,557.43 mi (5,725.13 km) |
| Preakness to Brest | 3,345.47 mi (5,384.01 km) |
| Preakness to Bretigny-sur-Orge | 3,631.53 mi (5,844.39 km) |
| Preakness to Breuillet | 3,627.03 mi (5,837.14 km) |
| Preakness to Briancon | 3,924.82 mi (6,316.38 km) |
