| Formia to Muggia | 299.50 mi (481.99 km) |
| Formia to Muggio | 371.37 mi (597.66 km) |
| Formia to Mugnano di Napoli | 39.54 mi (63.63 km) |
| Formia to Musile di Piave | 305.22 mi (491.20 km) |
| Formia to Mussomeli | 254.87 mi (410.17 km) |
| Formia to Naples | 44.56 mi (71.71 km) |
| Formia to Nardo | 243.13 mi (391.27 km) |
| Formia to Narni | 103.25 mi (166.16 km) |
| Formia to Nembro | 364.67 mi (586.88 km) |
| Formia to Nepi | 94.03 mi (151.33 km) |
| Formia to Nerviano | 376.25 mi (605.52 km) |
| Formia to Nettuno | 51.16 mi (82.34 km) |
| Formia to Nichelino | 396.03 mi (637.36 km) |
| Formia to Nicosia | 246.54 mi (396.77 km) |
| Formia to Niscemi | 287.38 mi (462.49 km) |
