| Castel Gandolfo to Muggia | 271.98 mi (437.71 km) |
| Castel Gandolfo to Muggio | 316.25 mi (508.96 km) |
| Castel Gandolfo to Mugnano di Napoli | 99.41 mi (159.98 km) |
| Castel Gandolfo to Musile di Piave | 267.49 mi (430.48 km) |
| Castel Gandolfo to Mussomeli | 293.83 mi (472.87 km) |
| Castel Gandolfo to Naples | 104.25 mi (167.77 km) |
| Castel Gandolfo to Nardo | 300.86 mi (484.19 km) |
| Castel Gandolfo to Narni | 53.64 mi (86.32 km) |
| Castel Gandolfo to Nembro | 311.57 mi (501.43 km) |
| Castel Gandolfo to Nepi | 37.73 mi (60.73 km) |
| Castel Gandolfo to Nerviano | 320.37 mi (515.58 km) |
| Castel Gandolfo to Nettuno | 19.38 mi (31.18 km) |
| Castel Gandolfo to Nichelino | 336.89 mi (542.18 km) |
| Castel Gandolfo to Nicosia | 291.34 mi (468.86 km) |
| Castel Gandolfo to Niscemi | 330.75 mi (532.30 km) |
