| Formia to Santiago do Cacem | 1,204.91 mi (1,939.11 km) |
| Formia to Santo Andre | 1,206.80 mi (1,942.16 km) |
| Formia to Santo Tirso | 1,143.18 mi (1,839.78 km) |
| Formia to Sao Bras de Alportel | 1,182.31 mi (1,902.74 km) |
| Formia to Sao Felix da Marinha | 1,153.99 mi (1,857.16 km) |
| Formia to Sao Joao da Madeira | 1,148.44 mi (1,848.24 km) |
| Formia to Sao Joao de Ver | 1,151.07 mi (1,852.46 km) |
| Formia to Sao Mamede de Infesta | 1,151.23 mi (1,852.73 km) |
| Formia to Sao Pedro do Sul | 1,128.17 mi (1,815.62 km) |
| Formia to Satao | 1,111.11 mi (1,788.16 km) |
| Formia to Seia | 1,113.04 mi (1,791.27 km) |
| Formia to Senhora da Hora | 1,153.99 mi (1,857.16 km) |
| Formia to Serpa | 1,149.39 mi (1,849.77 km) |
| Formia to Serta | 1,141.91 mi (1,837.72 km) |
| Formia to Sesimbra | 1,216.97 mi (1,958.53 km) |
