| Rancho Santa Margarita to Corato | 6,499.91 mi (10,460.60 km) |
| Rancho Santa Margarita to Corbetta | 6,030.89 mi (9,705.78 km) |
| Rancho Santa Margarita to Corciano | 6,261.70 mi (10,077.23 km) |
| Rancho Santa Margarita to Cordenons | 6,122.98 mi (9,853.98 km) |
| Rancho Santa Margarita to Cori | 6,361.50 mi (10,237.84 km) |
| Rancho Santa Margarita to Coriano | 6,227.44 mi (10,022.10 km) |
| Rancho Santa Margarita to Corigliano Calabro | 6,589.24 mi (10,604.37 km) |
| Rancho Santa Margarita to Corleone | 6,579.36 mi (10,588.45 km) |
| Rancho Santa Margarita to Cormano | 6,034.71 mi (9,711.92 km) |
| Rancho Santa Margarita to Cornaredo | 6,032.96 mi (9,709.11 km) |
| Rancho Santa Margarita to Cornate d'Adda | 6,039.22 mi (9,719.18 km) |
| Rancho Santa Margarita to Cornedo Vicentino | 6,100.69 mi (9,818.11 km) |
| Rancho Santa Margarita to Correggio | 6,127.13 mi (9,860.67 km) |
| Rancho Santa Margarita to Corridonia | 6,294.80 mi (10,130.50 km) |
| Rancho Santa Margarita to Corsico | 6,039.09 mi (9,718.98 km) |
