| Olen to Bouguenais | 400.75 mi (644.94 km) |
| Olen to Boulogne-Billancourt | 197.49 mi (317.82 km) |
| Olen to Boulogne-sur-Mer | 143.86 mi (231.52 km) |
| Olen to Bourg-de-Peage | 422.41 mi (679.81 km) |
| Olen to Bourg-en-Bresse | 342.06 mi (550.49 km) |
| Olen to Bourg-la-Reine | 198.76 mi (319.87 km) |
| Olen to Bourg-les-Valence | 428.56 mi (689.69 km) |
| Olen to Bourges | 301.98 mi (485.99 km) |
| Olen to Bourgoin-Jallieu | 384.92 mi (619.47 km) |
| Olen to Bressuire | 383.53 mi (617.23 km) |
| Olen to Brest | 457.91 mi (736.94 km) |
| Olen to Bretigny-sur-Orge | 208.77 mi (335.98 km) |
| Olen to Breuillet | 214.70 mi (345.52 km) |
| Olen to Briancon | 439.89 mi (707.93 km) |
| Olen to Brie-Comte-Robert | 196.83 mi (316.77 km) |
