| Opoczno to Brie-Comte-Robert | 803.93 mi (1,293.81 km) |
| Opoczno to Brignais | 810.38 mi (1,304.18 km) |
| Opoczno to Brignoles | 861.16 mi (1,385.91 km) |
| Opoczno to Brive-la-Gaillarde | 959.93 mi (1,544.86 km) |
| Opoczno to Bron | 801.47 mi (1,289.84 km) |
| Opoczno to Bruay-sur-l'Escaut | 731.49 mi (1,177.22 km) |
| Opoczno to Bruges | 1,058.21 mi (1,703.03 km) |
| Opoczno to Brumath | 586.31 mi (943.57 km) |
| Opoczno to Brunoy | 808.38 mi (1,300.96 km) |
| Opoczno to Bruz | 1,007.32 mi (1,621.12 km) |
| Opoczno to Bry-sur-Marne | 804.30 mi (1,294.39 km) |
| Opoczno to Bully-les-Mines | 766.01 mi (1,232.78 km) |
| Opoczno to Bures-sur-Yvette | 823.12 mi (1,324.68 km) |
| Opoczno to Bussy-Saint-Georges | 796.71 mi (1,282.19 km) |
| Opoczno to Buxerolles | 958.75 mi (1,542.96 km) |
