| Ridge to Chivasso | 3,912.87 mi (6,297.15 km) |
| Ridge to Ciampino | 4,232.59 mi (6,811.69 km) |
| Ridge to Cicciano | 4,348.13 mi (6,997.63 km) |
| Ridge to Cingoli | 4,204.61 mi (6,766.67 km) |
| Ridge to Cinisello Balsamo | 3,959.15 mi (6,371.64 km) |
| Ridge to Cinisi | 4,387.00 mi (7,060.20 km) |
| Ridge to Cirie | 3,899.01 mi (6,274.85 km) |
| Ridge to Ciro Marina | 4,523.08 mi (7,279.20 km) |
| Ridge to Cislago | 3,945.25 mi (6,349.26 km) |
| Ridge to Cisterna di Latina | 4,250.11 mi (6,839.89 km) |
| Ridge to Cisternino | 4,484.35 mi (7,216.86 km) |
| Ridge to Citta di Castello | 4,159.09 mi (6,693.41 km) |
| Ridge to Citta Sant'Angelo | 4,270.84 mi (6,873.25 km) |
| Ridge to Cittadella | 4,065.67 mi (6,543.07 km) |
| Ridge to Cittanova | 4,515.55 mi (7,267.07 km) |
