| Viterbo to Montevarchi | 81.31 mi (130.85 km) |
| Viterbo to Monticello Conte Otto | 221.33 mi (356.20 km) |
| Viterbo to Montichiari | 223.95 mi (360.40 km) |
| Viterbo to Montignoso | 147.33 mi (237.11 km) |
| Viterbo to Montopoli in Val d'Arno | 110.05 mi (177.12 km) |
| Viterbo to Monza | 259.98 mi (418.40 km) |
| Viterbo to Morbegno | 285.67 mi (459.75 km) |
| Viterbo to Mori | 243.51 mi (391.89 km) |
| Viterbo to Morlupo | 27.94 mi (44.96 km) |
| Viterbo to Morrovalle | 97.26 mi (156.53 km) |
| Viterbo to Mortara | 257.28 mi (414.05 km) |
| Viterbo to Mosciano Sant'Angelo | 93.36 mi (150.24 km) |
| Viterbo to Motta di Livenza | 233.57 mi (375.90 km) |
| Viterbo to Motta Sant'Anastasia | 372.06 mi (598.77 km) |
| Viterbo to Mottola | 283.18 mi (455.73 km) |
