| Ironton to Bougival | 4,073.58 mi (6,555.80 km) |
| Ironton to Bouguenais | 3,962.17 mi (6,376.49 km) |
| Ironton to Boulogne-Billancourt | 4,078.63 mi (6,563.93 km) |
| Ironton to Boulogne-sur-Mer | 4,000.05 mi (6,437.46 km) |
| Ironton to Bourg-de-Peage | 4,314.08 mi (6,942.84 km) |
| Ironton to Bourg-en-Bresse | 4,283.92 mi (6,894.31 km) |
| Ironton to Bourg-la-Reine | 4,083.31 mi (6,571.45 km) |
| Ironton to Bourg-les-Valence | 4,310.35 mi (6,936.84 km) |
| Ironton to Bourges | 4,136.62 mi (6,657.25 km) |
| Ironton to Bourgoin-Jallieu | 4,305.83 mi (6,929.56 km) |
| Ironton to Bressuire | 4,020.41 mi (6,470.22 km) |
| Ironton to Brest | 3,807.22 mi (6,127.13 km) |
| Ironton to Bretigny-sur-Orge | 4,087.80 mi (6,578.68 km) |
| Ironton to Breuillet | 4,083.53 mi (6,571.81 km) |
| Ironton to Briancon | 4,386.80 mi (7,059.87 km) |
