| Formia to Matelica | 140.95 mi (226.84 km) |
| Formia to Matera | 161.06 mi (259.20 km) |
| Formia to Matino | 251.60 mi (404.91 km) |
| Formia to Mazzarino | 275.84 mi (443.92 km) |
| Formia to Meda | 376.98 mi (606.70 km) |
| Formia to Medesano | 298.09 mi (479.74 km) |
| Formia to Medicina | 243.86 mi (392.46 km) |
| Formia to Meldola | 213.43 mi (343.48 km) |
| Formia to Melegnano | 355.58 mi (572.25 km) |
| Formia to Melendugno | 256.27 mi (412.42 km) |
| Formia to Melfi | 107.40 mi (172.85 km) |
| Formia to Melilli | 293.32 mi (472.06 km) |
| Formia to Melito di Napoli | 40.20 mi (64.69 km) |
| Formia to Melito di Porto Salvo | 258.59 mi (416.16 km) |
| Formia to Melzo | 360.48 mi (580.14 km) |
