| Formia to Los Palacios y Villafranca | 1,081.21 mi (1,740.04 km) |
| Formia to Luanco | 1,000.35 mi (1,609.91 km) |
| Formia to Lucena | 1,001.41 mi (1,611.61 km) |
| Formia to Lugo | 1,088.21 mi (1,751.30 km) |
| Formia to Lumbreras | 860.79 mi (1,385.30 km) |
| Formia to Madrid | 905.72 mi (1,457.61 km) |
| Formia to Madridejos | 909.83 mi (1,464.23 km) |
| Formia to Mahon | 499.68 mi (804.15 km) |
| Formia to Mairena del Alcor | 1,066.36 mi (1,716.14 km) |
| Formia to Mairena del Aljarafe | 1,084.31 mi (1,745.03 km) |
| Formia to Majadahonda | 913.86 mi (1,470.72 km) |
| Formia to Malaga | 1,016.04 mi (1,635.15 km) |
| Formia to Malgrat de Mar | 563.32 mi (906.57 km) |
| Formia to Manacor | 559.52 mi (900.46 km) |
| Formia to Mancha Real | 947.39 mi (1,524.68 km) |
