| Viterbo to Collegno | 291.32 mi (468.83 km) |
| Viterbo to Cologno al Serio | 249.15 mi (400.97 km) |
| Viterbo to Cologno Monzese | 256.70 mi (413.13 km) |
| Viterbo to Colorno | 193.85 mi (311.98 km) |
| Viterbo to Comacchio | 157.68 mi (253.76 km) |
| Viterbo to Comiso | 400.42 mi (644.41 km) |
| Viterbo to Como | 278.04 mi (447.46 km) |
| Viterbo to Concordia Sagittaria | 234.27 mi (377.02 km) |
| Viterbo to Concorezzo | 258.68 mi (416.30 km) |
| Viterbo to Conegliano | 239.82 mi (385.95 km) |
| Viterbo to Conselice | 145.60 mi (234.32 km) |
| Viterbo to Conselve | 194.84 mi (313.56 km) |
| Viterbo to Conversano | 277.33 mi (446.32 km) |
| Viterbo to Copertino | 342.29 mi (550.86 km) |
| Viterbo to Copparo | 171.98 mi (276.78 km) |
