| Formia to San Vito al Tagliamento | 322.32 mi (518.72 km) |
| Formia to San Vito dei Normanni | 217.36 mi (349.80 km) |
| Formia to Sannicandro di Bari | 166.67 mi (268.23 km) |
| Formia to Sannicandro Garganico | 108.16 mi (174.07 km) |
| Formia to Sansepolcro | 176.32 mi (283.76 km) |
| Formia to Sant'Agata de' Goti | 47.41 mi (76.30 km) |
| Formia to Sant'Agata di Militello | 227.52 mi (366.16 km) |
| Formia to Sant'Agnello | 60.07 mi (96.67 km) |
| Formia to Sant'Ambrogio di Valpolicella | 325.35 mi (523.60 km) |
| Formia to Sant'Anastasia | 49.28 mi (79.31 km) |
| Formia to Sant'Angelo Lodigiano | 346.51 mi (557.66 km) |
| Formia to Sant'Antimo | 39.22 mi (63.12 km) |
| Formia to Sant'Antioco | 312.01 mi (502.13 km) |
| Formia to Sant'Antonio Abate | 61.05 mi (98.24 km) |
| Formia to Sant'Arcangelo di Romagna | 202.16 mi (325.34 km) |
