| Frosinone to Borgosatollo | 307.75 mi (495.28 km) |
| Frosinone to Borgosesia | 379.48 mi (610.72 km) |
| Frosinone to Boscoreale | 84.00 mi (135.19 km) |
| Frosinone to Boscotrecase | 82.57 mi (132.89 km) |
| Frosinone to Botticino Sera | 311.30 mi (500.98 km) |
| Frosinone to Bovalino Marina | 283.19 mi (455.75 km) |
| Frosinone to Boves | 347.35 mi (559.01 km) |
| Frosinone to Boville Ernica | 6.14 mi (9.87 km) |
| Frosinone to Bovisio Masciago | 346.12 mi (557.03 km) |
| Frosinone to Bovolone | 273.49 mi (440.14 km) |
| Frosinone to Bra | 348.75 mi (561.26 km) |
| Frosinone to Bracciano | 68.14 mi (109.66 km) |
| Frosinone to Brandizzo | 369.29 mi (594.31 km) |
| Frosinone to Breganze | 294.76 mi (474.37 km) |
| Frosinone to Brembate | 333.45 mi (536.63 km) |
