| Isernia to Borgosatollo | 334.20 mi (537.84 km) |
| Isernia to Borgosesia | 412.01 mi (663.07 km) |
| Isernia to Boscoreale | 59.14 mi (95.18 km) |
| Isernia to Boscotrecase | 57.84 mi (93.08 km) |
| Isernia to Botticino Sera | 337.51 mi (543.17 km) |
| Isernia to Bovalino Marina | 259.51 mi (417.64 km) |
| Isernia to Boves | 387.10 mi (622.97 km) |
| Isernia to Boville Ernica | 40.06 mi (64.46 km) |
| Isernia to Bovisio Masciago | 376.34 mi (605.65 km) |
| Isernia to Bovolone | 296.26 mi (476.78 km) |
| Isernia to Bra | 386.51 mi (622.03 km) |
| Isernia to Bracciano | 111.27 mi (179.07 km) |
| Isernia to Brandizzo | 405.11 mi (651.96 km) |
| Isernia to Breganze | 313.00 mi (503.72 km) |
| Isernia to Brembate | 362.27 mi (583.01 km) |
