| Viterbo to Castelletto sopra Ticino | 285.63 mi (459.67 km) |
| Viterbo to Castelli Calepio | 247.62 mi (398.50 km) |
| Viterbo to Castelnovo ne' Monti | 163.36 mi (262.91 km) |
| Viterbo to Castelnuovo Berardenga | 71.00 mi (114.26 km) |
| Viterbo to Castelnuovo di Porto | 28.25 mi (45.46 km) |
| Viterbo to Castelnuovo di Verona | 218.66 mi (351.90 km) |
| Viterbo to Castelnuovo Rangone | 158.53 mi (255.13 km) |
| Viterbo to Castelvetrano | 329.20 mi (529.79 km) |
| Viterbo to Castelvetro di Modena | 155.02 mi (249.48 km) |
| Viterbo to Castenaso | 147.93 mi (238.07 km) |
| Viterbo to Castenedolo | 229.21 mi (368.89 km) |
| Viterbo to Castiglion Fiorentino | 64.62 mi (103.99 km) |
| Viterbo to Castiglione del Lago | 49.83 mi (80.19 km) |
| Viterbo to Castiglione delle Stiviere | 220.92 mi (355.53 km) |
| Viterbo to Castrolibero | 302.80 mi (487.31 km) |
