| Opoczno to Borgosatollo | 614.18 mi (988.43 km) |
| Opoczno to Borgosesia | 673.37 mi (1,083.69 km) |
| Opoczno to Boscoreale | 783.50 mi (1,260.92 km) |
| Opoczno to Boscotrecase | 782.69 mi (1,259.62 km) |
| Opoczno to Botticino Sera | 611.62 mi (984.30 km) |
| Opoczno to Bovalino Marina | 935.61 mi (1,505.71 km) |
| Opoczno to Boves | 763.36 mi (1,228.52 km) |
| Opoczno to Boville Ernica | 745.45 mi (1,199.69 km) |
| Opoczno to Bovisio Masciago | 645.68 mi (1,039.12 km) |
| Opoczno to Bovolone | 595.92 mi (959.04 km) |
| Opoczno to Bra | 735.18 mi (1,183.15 km) |
| Opoczno to Bracciano | 746.03 mi (1,200.63 km) |
| Opoczno to Brandizzo | 713.44 mi (1,148.17 km) |
| Opoczno to Breganze | 558.75 mi (899.23 km) |
| Opoczno to Brembate | 632.21 mi (1,017.44 km) |
