| Formia to Campodarsego | 304.67 mi (490.33 km) |
| Formia to Campogalliano | 274.35 mi (441.52 km) |
| Formia to Campolongo Maggiore | 291.79 mi (469.60 km) |
| Formia to Camponogara | 294.89 mi (474.58 km) |
| Formia to Camposampiero | 308.86 mi (497.06 km) |
| Formia to Canegrate | 378.69 mi (609.44 km) |
| Formia to Canelli | 359.50 mi (578.56 km) |
| Formia to Canicatti | 269.75 mi (434.12 km) |
| Formia to Canosa di Puglia | 127.33 mi (204.92 km) |
| Formia to Cantu | 381.61 mi (614.14 km) |
| Formia to Caorle | 301.65 mi (485.46 km) |
| Formia to Capaci | 215.16 mi (346.26 km) |
| Formia to Capannori | 236.51 mi (380.62 km) |
| Formia to Capena | 82.01 mi (131.99 km) |
| Formia to Capo d'Orlando | 223.37 mi (359.47 km) |
