| Altadena to Collegno | 5,992.57 mi (9,644.10 km) |
| Altadena to Cologno al Serio | 6,034.98 mi (9,712.36 km) |
| Altadena to Cologno Monzese | 6,024.45 mi (9,695.42 km) |
| Altadena to Colorno | 6,090.71 mi (9,802.05 km) |
| Altadena to Comacchio | 6,159.49 mi (9,912.75 km) |
| Altadena to Comiso | 6,657.77 mi (10,714.65 km) |
| Altadena to Como | 6,003.70 mi (9,662.02 km) |
| Altadena to Concordia Sagittaria | 6,122.48 mi (9,853.18 km) |
| Altadena to Concorezzo | 6,023.11 mi (9,693.25 km) |
| Altadena to Conegliano | 6,099.33 mi (9,815.92 km) |
| Altadena to Conselice | 6,158.42 mi (9,911.01 km) |
| Altadena to Conselve | 6,121.16 mi (9,851.05 km) |
| Altadena to Conversano | 6,516.10 mi (10,486.65 km) |
| Altadena to Copertino | 6,583.88 mi (10,595.73 km) |
| Altadena to Copparo | 6,137.94 mi (9,878.05 km) |
