| Viterbo to Manerbio | 226.08 mi (363.84 km) |
| Viterbo to Manfredonia | 203.04 mi (326.76 km) |
| Viterbo to Maniago | 260.73 mi (419.61 km) |
| Viterbo to Mantova | 200.17 mi (322.15 km) |
| Viterbo to Maranello | 158.73 mi (255.46 km) |
| Viterbo to Marano di Napoli | 150.08 mi (241.53 km) |
| Viterbo to Marano Vicentino | 229.15 mi (368.79 km) |
| Viterbo to Marcianise | 148.26 mi (238.59 km) |
| Viterbo to Marcon | 216.87 mi (349.02 km) |
| Viterbo to Mareno di Piave | 236.78 mi (381.06 km) |
| Viterbo to Margherita di Savoia | 220.39 mi (354.68 km) |
| Viterbo to Mariano Comense | 269.10 mi (433.07 km) |
| Viterbo to Marigliano | 158.69 mi (255.39 km) |
| Viterbo to Marino | 53.48 mi (86.07 km) |
| Viterbo to Marostica | 230.95 mi (371.68 km) |
