| Ferentino to Castelletto sopra Ticino | 361.59 mi (581.93 km) |
| Ferentino to Castelli Calepio | 320.13 mi (515.19 km) |
| Ferentino to Castelnovo ne' Monti | 238.30 mi (383.51 km) |
| Ferentino to Castelnuovo Berardenga | 145.33 mi (233.89 km) |
| Ferentino to Castelnuovo di Porto | 49.54 mi (79.72 km) |
| Ferentino to Castelnuovo di Verona | 287.35 mi (462.45 km) |
| Ferentino to Castelnuovo Rangone | 229.94 mi (370.05 km) |
| Ferentino to Castelvetrano | 277.44 mi (446.49 km) |
| Ferentino to Castelvetro di Modena | 226.57 mi (364.62 km) |
| Ferentino to Castenaso | 214.92 mi (345.88 km) |
| Ferentino to Castenedolo | 300.48 mi (483.58 km) |
| Ferentino to Castiglion Fiorentino | 133.26 mi (214.47 km) |
| Ferentino to Castiglione del Lago | 117.78 mi (189.54 km) |
| Ferentino to Castiglione delle Stiviere | 291.36 mi (468.89 km) |
| Ferentino to Castrolibero | 225.27 mi (362.54 km) |
