| Viterbo to Massarosa | 134.09 mi (215.79 km) |
| Viterbo to Matelica | 73.87 mi (118.88 km) |
| Viterbo to Matera | 262.07 mi (421.76 km) |
| Viterbo to Matino | 353.89 mi (569.53 km) |
| Viterbo to Mazzarino | 370.68 mi (596.56 km) |
| Viterbo to Meda | 267.63 mi (430.71 km) |
| Viterbo to Medesano | 188.87 mi (303.96 km) |
| Viterbo to Medicina | 144.60 mi (232.71 km) |
| Viterbo to Meldola | 118.51 mi (190.72 km) |
| Viterbo to Melegnano | 245.80 mi (395.58 km) |
| Viterbo to Melendugno | 355.57 mi (572.23 km) |
| Viterbo to Melfi | 207.48 mi (333.90 km) |
| Viterbo to Melilli | 395.42 mi (636.37 km) |
| Viterbo to Melito di Napoli | 151.13 mi (243.23 km) |
| Viterbo to Melito di Porto Salvo | 366.63 mi (590.04 km) |
