| Portici to Manilva | 1,098.69 mi (1,768.17 km) |
| Portici to Manises | 785.62 mi (1,264.33 km) |
| Portici to Manlleu | 629.58 mi (1,013.21 km) |
| Portici to Manresa | 652.16 mi (1,049.55 km) |
| Portici to Manzanares | 945.61 mi (1,521.81 km) |
| Portici to Manzanares el Real | 950.72 mi (1,530.04 km) |
| Portici to Maracena | 994.90 mi (1,601.14 km) |
| Portici to Marbella | 1,076.34 mi (1,732.20 km) |
| Portici to Marchena | 1,084.27 mi (1,744.96 km) |
| Portici to Marin | 1,191.64 mi (1,917.76 km) |
| Portici to Marratxi | 616.20 mi (991.68 km) |
| Portici to Martorell | 646.73 mi (1,040.82 km) |
| Portici to Martos | 1,000.51 mi (1,610.17 km) |
| Portici to Masamagrell | 778.17 mi (1,252.34 km) |
| Portici to Masanasa | 783.99 mi (1,261.72 km) |
