| Portici to Montevarchi | 234.84 mi (377.94 km) |
| Portici to Monticello Conte Otto | 358.24 mi (576.53 km) |
| Portici to Montichiari | 374.76 mi (603.12 km) |
| Portici to Montignoso | 306.72 mi (493.63 km) |
| Portici to Montopoli in Val d'Arno | 269.08 mi (433.04 km) |
| Portici to Monza | 416.32 mi (670.01 km) |
| Portici to Morbegno | 438.09 mi (705.04 km) |
| Portici to Mori | 386.27 mi (621.64 km) |
| Portici to Morlupo | 131.91 mi (212.29 km) |
| Portici to Morrovalle | 176.85 mi (284.61 km) |
| Portici to Mortara | 416.24 mi (669.88 km) |
| Portici to Mosciano Sant'Angelo | 135.44 mi (217.97 km) |
| Portici to Motta di Livenza | 353.58 mi (569.03 km) |
| Portici to Motta Sant'Anastasia | 231.80 mi (373.05 km) |
| Portici to Mottola | 141.55 mi (227.80 km) |
