| Catalina Foothills to Collegno | 5,845.68 mi (9,407.71 km) |
| Catalina Foothills to Cologno al Serio | 5,898.41 mi (9,492.57 km) |
| Catalina Foothills to Cologno Monzese | 5,886.06 mi (9,472.69 km) |
| Catalina Foothills to Colorno | 5,953.40 mi (9,581.08 km) |
| Catalina Foothills to Comacchio | 6,027.87 mi (9,700.92 km) |
| Catalina Foothills to Comiso | 6,499.07 mi (10,459.24 km) |
| Catalina Foothills to Como | 5,866.03 mi (9,440.46 km) |
| Catalina Foothills to Concordia Sagittaria | 5,998.64 mi (9,653.87 km) |
| Catalina Foothills to Concorezzo | 5,885.23 mi (9,471.36 km) |
| Catalina Foothills to Conegliano | 5,973.97 mi (9,614.17 km) |
| Catalina Foothills to Conselice | 6,024.55 mi (9,695.57 km) |
| Catalina Foothills to Conselve | 5,990.95 mi (9,641.50 km) |
| Catalina Foothills to Conversano | 6,386.91 mi (10,278.73 km) |
| Catalina Foothills to Copertino | 6,455.56 mi (10,389.23 km) |
| Catalina Foothills to Copparo | 6,005.95 mi (9,665.65 km) |
