| Formia to Manilva | 1,067.56 mi (1,718.07 km) |
| Formia to Manises | 749.74 mi (1,206.59 km) |
| Formia to Manlleu | 587.01 mi (944.70 km) |
| Formia to Manresa | 610.36 mi (982.28 km) |
| Formia to Manzanares | 909.58 mi (1,463.83 km) |
| Formia to Manzanares el Real | 910.65 mi (1,465.55 km) |
| Formia to Maracena | 963.10 mi (1,549.96 km) |
| Formia to Marbella | 1,045.19 mi (1,682.08 km) |
| Formia to Marchena | 1,050.92 mi (1,691.29 km) |
| Formia to Marin | 1,148.26 mi (1,847.95 km) |
| Formia to Marratxi | 581.68 mi (936.13 km) |
| Formia to Martorell | 605.65 mi (974.70 km) |
| Formia to Martos | 967.22 mi (1,556.59 km) |
| Formia to Masamagrell | 742.10 mi (1,194.30 km) |
| Formia to Masanasa | 748.37 mi (1,204.38 km) |
