| Viterbo to Casamassima | 268.21 mi (431.64 km) |
| Viterbo to Casandrino | 150.97 mi (242.96 km) |
| Viterbo to Casapulla | 146.09 mi (235.11 km) |
| Viterbo to Casarano | 355.99 mi (572.92 km) |
| Viterbo to Casatenovo | 265.62 mi (427.47 km) |
| Viterbo to Casciana Terme | 107.29 mi (172.67 km) |
| Viterbo to Cascina | 117.44 mi (189.00 km) |
| Viterbo to Caselle Torinese | 292.77 mi (471.16 km) |
| Viterbo to Caserta | 148.08 mi (238.31 km) |
| Viterbo to Casier | 223.48 mi (359.66 km) |
| Viterbo to Casorate Primo | 252.44 mi (406.27 km) |
| Viterbo to Casoria | 154.45 mi (248.56 km) |
| Viterbo to Cassano al Ionio | 284.99 mi (458.65 km) |
| Viterbo to Cassano d'Adda | 250.70 mi (403.46 km) |
| Viterbo to Cassano delle Murge | 263.00 mi (423.26 km) |
