| Security-Widefield to Carmona | 5,082.37 mi (8,179.29 km) |
| Security-Widefield to Cartagena | 5,278.44 mi (8,494.82 km) |
| Security-Widefield to Cartama | 5,157.90 mi (8,300.84 km) |
| Security-Widefield to Cartaya | 5,022.71 mi (8,083.28 km) |
| Security-Widefield to Caspe | 5,161.11 mi (8,306.01 km) |
| Security-Widefield to Cassa de la Selva | 5,248.83 mi (8,447.17 km) |
| Security-Widefield to Castalla | 5,248.50 mi (8,446.65 km) |
| Security-Widefield to Castellbisbal | 5,231.69 mi (8,419.59 km) |
| Security-Widefield to Castelldefels | 5,240.13 mi (8,433.18 km) |
| Security-Widefield to Castello de Ampurias | 5,240.32 mi (8,433.49 km) |
| Security-Widefield to Castellon de la Plana | 5,215.10 mi (8,392.89 km) |
| Security-Widefield to Castilleja de la Cuesta | 5,067.42 mi (8,155.23 km) |
| Security-Widefield to Catarroja | 5,224.81 mi (8,408.52 km) |
| Security-Widefield to Catral | 5,261.75 mi (8,467.97 km) |
| Security-Widefield to Caudete | 5,230.49 mi (8,417.65 km) |
