| Portici to Luzzara | 341.06 mi (548.89 km) |
| Portici to Luzzi | 139.57 mi (224.62 km) |
| Portici to Macerata | 177.34 mi (285.40 km) |
| Portici to Macerata Campania | 17.50 mi (28.17 km) |
| Portici to Macomer | 294.25 mi (473.55 km) |
| Portici to Maddaloni | 14.92 mi (24.01 km) |
| Portici to Magenta | 422.53 mi (679.99 km) |
| Portici to Magione | 194.96 mi (313.76 km) |
| Portici to Maglie | 205.15 mi (330.15 km) |
| Portici to Magnago | 431.01 mi (693.65 km) |
| Portici to Malalbergo | 304.55 mi (490.13 km) |
| Portici to Malnate | 439.89 mi (707.93 km) |
| Portici to Malo | 365.46 mi (588.14 km) |
| Portici to Mandello del Lario | 433.06 mi (696.93 km) |
| Portici to Manduria | 175.09 mi (281.78 km) |
