| Iona to Bougival | 4,603.29 mi (7,408.27 km) |
| Iona to Bouguenais | 4,460.83 mi (7,179.01 km) |
| Iona to Boulogne-Billancourt | 4,608.27 mi (7,416.29 km) |
| Iona to Boulogne-sur-Mer | 4,550.36 mi (7,323.09 km) |
| Iona to Bourg-de-Peage | 4,807.61 mi (7,737.10 km) |
| Iona to Bourg-en-Bresse | 4,791.75 mi (7,711.57 km) |
| Iona to Bourg-la-Reine | 4,612.48 mi (7,423.08 km) |
| Iona to Bourg-les-Valence | 4,802.28 mi (7,728.52 km) |
| Iona to Bourges | 4,645.81 mi (7,476.72 km) |
| Iona to Bourgoin-Jallieu | 4,806.57 mi (7,735.43 km) |
| Iona to Bressuire | 4,518.04 mi (7,271.09 km) |
| Iona to Brest | 4,314.03 mi (6,942.75 km) |
| Iona to Bretigny-sur-Orge | 4,614.96 mi (7,427.05 km) |
| Iona to Breuillet | 4,609.78 mi (7,418.72 km) |
| Iona to Briancon | 4,884.32 mi (7,860.55 km) |
