| Castle Rock to Castrovillari | 5,822.01 mi (9,369.61 km) |
| Castle Rock to Catania | 5,900.98 mi (9,496.70 km) |
| Castle Rock to Catanzaro | 5,883.57 mi (9,468.69 km) |
| Castle Rock to Cattolica | 5,490.69 mi (8,836.42 km) |
| Castle Rock to Cava de' Tirreni | 5,723.67 mi (9,211.36 km) |
| Castle Rock to Cavallino | 5,865.59 mi (9,439.75 km) |
| Castle Rock to Cavarzere | 5,410.50 mi (8,707.36 km) |
| Castle Rock to Cave | 5,604.61 mi (9,019.75 km) |
| Castle Rock to Cavriago | 5,378.07 mi (8,655.17 km) |
| Castle Rock to Cavriglia | 5,469.11 mi (8,801.69 km) |
| Castle Rock to Cazzago San Martino | 5,317.88 mi (8,558.30 km) |
| Castle Rock to Ceccano | 5,631.35 mi (9,062.79 km) |
| Castle Rock to Cecina | 5,444.48 mi (8,762.05 km) |
| Castle Rock to Cefalu | 5,834.18 mi (9,389.21 km) |
| Castle Rock to Ceglie Messapico | 5,824.12 mi (9,373.02 km) |
