| Catalina Foothills to Cortona | 6,090.32 mi (9,801.42 km) |
| Catalina Foothills to Cosenza | 6,441.60 mi (10,366.76 km) |
| Catalina Foothills to Cossato | 5,844.60 mi (9,405.97 km) |
| Catalina Foothills to Costa Volpino | 5,900.73 mi (9,496.31 km) |
| Catalina Foothills to Creazzo | 5,963.15 mi (9,596.76 km) |
| Catalina Foothills to Crema | 5,908.05 mi (9,508.08 km) |
| Catalina Foothills to Cremona | 5,931.49 mi (9,545.82 km) |
| Catalina Foothills to Crevalcore | 5,990.86 mi (9,641.36 km) |
| Catalina Foothills to Crispiano | 6,409.87 mi (10,315.68 km) |
| Catalina Foothills to Crosia | 6,446.51 mi (10,374.66 km) |
| Catalina Foothills to Crotone | 6,483.85 mi (10,434.76 km) |
| Catalina Foothills to Cuneo | 5,876.79 mi (9,457.78 km) |
| Catalina Foothills to Cuorgne | 5,834.13 mi (9,389.13 km) |
| Catalina Foothills to Cusano Milanino | 5,881.68 mi (9,465.65 km) |
| Catalina Foothills to Cutro | 6,481.64 mi (10,431.19 km) |
