| Opoczno to Bois-Colombes | 813.47 mi (1,309.16 km) |
| Opoczno to Bois-d'Arcy | 826.26 mi (1,329.74 km) |
| Opoczno to Bois-Guillaume | 851.45 mi (1,370.28 km) |
| Opoczno to Boissy-Saint-Leger | 806.93 mi (1,298.62 km) |
| Opoczno to Bolbec | 877.40 mi (1,412.05 km) |
| Opoczno to Bollene | 868.94 mi (1,398.43 km) |
| Opoczno to Bondoufle | 815.70 mi (1,312.74 km) |
| Opoczno to Bondues | 746.71 mi (1,201.71 km) |
| Opoczno to Bondy | 804.60 mi (1,294.88 km) |
| Opoczno to Bonneuil-sur-Marne | 807.32 mi (1,299.26 km) |
| Opoczno to Bonneville | 729.41 mi (1,173.87 km) |
| Opoczno to Bordeaux | 1,058.47 mi (1,703.44 km) |
| Opoczno to Borgo | 794.43 mi (1,278.50 km) |
| Opoczno to Bouc-Bel-Air | 882.14 mi (1,419.67 km) |
| Opoczno to Boucau | 1,146.83 mi (1,845.65 km) |
