| Champaign to Carmona | 4,282.81 mi (6,892.51 km) |
| Champaign to Cartagena | 4,494.84 mi (7,233.75 km) |
| Champaign to Cartama | 4,357.09 mi (7,012.07 km) |
| Champaign to Cartaya | 4,217.51 mi (6,787.43 km) |
| Champaign to Caspe | 4,404.45 mi (7,088.29 km) |
| Champaign to Cassa de la Selva | 4,507.73 mi (7,254.50 km) |
| Champaign to Castalla | 4,472.15 mi (7,197.23 km) |
| Champaign to Castellbisbal | 4,484.24 mi (7,216.69 km) |
| Champaign to Castelldefels | 4,491.29 mi (7,228.03 km) |
| Champaign to Castello de Ampurias | 4,502.65 mi (7,246.32 km) |
| Champaign to Castellon de la Plana | 4,449.98 mi (7,161.54 km) |
| Champaign to Castilleja de la Cuesta | 4,266.09 mi (6,865.61 km) |
| Champaign to Catarroja | 4,454.55 mi (7,168.90 km) |
| Champaign to Catral | 4,482.20 mi (7,213.40 km) |
| Champaign to Caudete | 4,453.70 mi (7,167.53 km) |
