| Formia to Caltagirone | 282.48 mi (454.61 km) |
| Formia to Caltanissetta | 262.01 mi (421.66 km) |
| Formia to Calvisano | 326.43 mi (525.33 km) |
| Formia to Calvizzano | 38.89 mi (62.59 km) |
| Formia to Camaiore | 249.76 mi (401.95 km) |
| Formia to Cameri | 384.23 mi (618.36 km) |
| Formia to Camisano Vicentino | 308.73 mi (496.85 km) |
| Formia to Campagna | 87.79 mi (141.28 km) |
| Formia to Campagnano di Roma | 87.37 mi (140.61 km) |
| Formia to Campi Bisenzio | 216.83 mi (348.95 km) |
| Formia to Campi Salentina | 237.66 mi (382.47 km) |
| Formia to Campiglia Marittima | 197.64 mi (318.07 km) |
| Formia to Campobasso | 58.22 mi (93.70 km) |
| Formia to Campobello di Licata | 277.99 mi (447.38 km) |
| Formia to Campobello di Mazara | 255.26 mi (410.81 km) |
