| Formia to Monticello Conte Otto | 316.28 mi (509.00 km) |
| Formia to Montichiari | 329.26 mi (529.89 km) |
| Formia to Montignoso | 258.50 mi (416.02 km) |
| Formia to Montopoli in Val d'Arno | 220.98 mi (355.64 km) |
| Formia to Monza | 369.28 mi (594.30 km) |
| Formia to Morbegno | 392.29 mi (631.33 km) |
| Formia to Mori | 342.98 mi (551.97 km) |
| Formia to Morlupo | 83.43 mi (134.26 km) |
| Formia to Morrovalle | 141.65 mi (227.97 km) |
| Formia to Mortara | 368.25 mi (592.64 km) |
| Formia to Mosciano Sant'Angelo | 103.40 mi (166.40 km) |
| Formia to Motta di Livenza | 315.87 mi (508.35 km) |
| Formia to Motta Sant'Anastasia | 270.04 mi (434.59 km) |
| Formia to Mottola | 183.57 mi (295.43 km) |
| Formia to Mozzate | 384.39 mi (618.62 km) |
