| Effingham to Carmona | 4,327.33 mi (6,964.16 km) |
| Effingham to Cartagena | 4,541.47 mi (7,308.78 km) |
| Effingham to Cartama | 4,401.36 mi (7,083.30 km) |
| Effingham to Cartaya | 4,261.21 mi (6,857.75 km) |
| Effingham to Caspe | 4,454.50 mi (7,168.82 km) |
| Effingham to Cassa de la Selva | 4,559.36 mi (7,337.59 km) |
| Effingham to Castalla | 4,519.75 mi (7,273.84 km) |
| Effingham to Castellbisbal | 4,535.23 mi (7,298.74 km) |
| Effingham to Castelldefels | 4,542.11 mi (7,309.83 km) |
| Effingham to Castello de Ampurias | 4,554.64 mi (7,329.98 km) |
| Effingham to Castellon de la Plana | 4,498.99 mi (7,240.42 km) |
| Effingham to Castilleja de la Cuesta | 4,310.36 mi (6,936.85 km) |
| Effingham to Catarroja | 4,502.94 mi (7,246.77 km) |
| Effingham to Catral | 4,529.37 mi (7,289.32 km) |
| Effingham to Caudete | 4,501.26 mi (7,244.08 km) |
