| Ionia to Bougival | 3,974.99 mi (6,397.13 km) |
| Ionia to Bouguenais | 3,881.00 mi (6,245.87 km) |
| Ionia to Boulogne-Billancourt | 3,980.02 mi (6,405.22 km) |
| Ionia to Boulogne-sur-Mer | 3,891.62 mi (6,262.96 km) |
| Ionia to Bourg-de-Peage | 4,230.78 mi (6,808.78 km) |
| Ionia to Bourg-en-Bresse | 4,193.83 mi (6,749.32 km) |
| Ionia to Bourg-la-Reine | 3,984.87 mi (6,413.02 km) |
| Ionia to Bourg-les-Valence | 4,227.90 mi (6,804.15 km) |
| Ionia to Bourges | 4,047.74 mi (6,514.21 km) |
| Ionia to Bourgoin-Jallieu | 4,219.03 mi (6,789.87 km) |
| Ionia to Bressuire | 3,938.95 mi (6,339.13 km) |
| Ionia to Brest | 3,724.13 mi (5,993.41 km) |
| Ionia to Bretigny-sur-Orge | 3,990.34 mi (6,421.84 km) |
| Ionia to Breuillet | 3,986.61 mi (6,415.82 km) |
| Ionia to Briancon | 4,300.59 mi (6,921.14 km) |
