| Portici to Moncalieri | 443.47 mi (713.70 km) |
| Portici to Mondolfo | 212.16 mi (341.44 km) |
| Portici to Mondovi | 412.98 mi (664.62 km) |
| Portici to Monesiglio | 404.24 mi (650.56 km) |
| Portici to Monfalcone | 346.49 mi (557.62 km) |
| Portici to Monopoli | 154.82 mi (249.15 km) |
| Portici to Monreale | 197.33 mi (317.57 km) |
| Portici to Monselice | 331.80 mi (533.98 km) |
| Portici to Monserrato | 295.20 mi (475.07 km) |
| Portici to Monsummano | 276.92 mi (445.66 km) |
| Portici to Montagnana | 337.71 mi (543.49 km) |
| Portici to Montale | 273.94 mi (440.87 km) |
| Portici to Montalto di Castro | 176.75 mi (284.46 km) |
| Portici to Montalto Uffugo | 136.96 mi (220.41 km) |
| Portici to Monte Compatri | 107.66 mi (173.27 km) |
