| Monte Porzio Catone to Manilva | 1,031.45 mi (1,659.96 km) |
| Monte Porzio Catone to Manises | 708.02 mi (1,139.44 km) |
| Monte Porzio Catone to Manlleu | 536.29 mi (863.08 km) |
| Monte Porzio Catone to Manresa | 560.69 mi (902.35 km) |
| Monte Porzio Catone to Manzanares | 867.25 mi (1,395.70 km) |
| Monte Porzio Catone to Manzanares el Real | 862.81 mi (1,388.57 km) |
| Monte Porzio Catone to Maracena | 926.31 mi (1,490.76 km) |
| Monte Porzio Catone to Marbella | 1,009.11 mi (1,624.00 km) |
| Monte Porzio Catone to Marchena | 1,011.90 mi (1,628.50 km) |
| Monte Porzio Catone to Marin | 1,095.67 mi (1,763.31 km) |
| Monte Porzio Catone to Marratxi | 542.54 mi (873.14 km) |
| Monte Porzio Catone to Martorell | 557.04 mi (896.47 km) |
| Monte Porzio Catone to Martos | 928.44 mi (1,494.18 km) |
| Monte Porzio Catone to Masamagrell | 700.13 mi (1,126.75 km) |
| Monte Porzio Catone to Masanasa | 706.98 mi (1,137.78 km) |
