| Ridge to Collegno | 3,902.68 mi (6,280.75 km) |
| Ridge to Cologno al Serio | 3,978.87 mi (6,403.38 km) |
| Ridge to Cologno Monzese | 3,962.48 mi (6,376.99 km) |
| Ridge to Colorno | 4,029.20 mi (6,484.37 km) |
| Ridge to Comacchio | 4,114.36 mi (6,621.42 km) |
| Ridge to Comiso | 4,501.75 mi (7,244.87 km) |
| Ridge to Como | 3,945.35 mi (6,349.43 km) |
| Ridge to Concordia Sagittaria | 4,106.96 mi (6,609.51 km) |
| Ridge to Concorezzo | 3,963.03 mi (6,377.87 km) |
| Ridge to Conegliano | 4,079.64 mi (6,565.54 km) |
| Ridge to Conselice | 4,105.47 mi (6,607.12 km) |
| Ridge to Conselve | 4,082.99 mi (6,570.94 km) |
| Ridge to Conversano | 4,461.67 mi (7,180.36 km) |
| Ridge to Copertino | 4,529.19 mi (7,289.02 km) |
| Ridge to Copparo | 4,092.65 mi (6,586.48 km) |
