| Effingham to Cehegin | 4,485.68 mi (7,219.01 km) |
| Effingham to Cervello | 4,537.11 mi (7,301.78 km) |
| Effingham to Cervera | 4,497.04 mi (7,237.29 km) |
| Effingham to Ceuti | 4,510.64 mi (7,259.17 km) |
| Effingham to Cheste | 4,487.40 mi (7,221.78 km) |
| Effingham to Chiclana de la Frontera | 4,338.92 mi (6,982.82 km) |
| Effingham to Chipiona | 4,314.37 mi (6,943.30 km) |
| Effingham to Chiva | 4,486.09 mi (7,219.66 km) |
| Effingham to Churriana de la Vega | 4,432.43 mi (7,133.30 km) |
| Effingham to Ciempozuelos | 4,329.33 mi (6,967.39 km) |
| Effingham to Cieza | 4,498.06 mi (7,238.93 km) |
| Effingham to Cisterniga | 4,231.90 mi (6,810.58 km) |
| Effingham to Ciudad de Melilla | 4,533.00 mi (7,295.16 km) |
| Effingham to Ciudad Real | 4,355.84 mi (7,010.04 km) |
| Effingham to Ciudad-Rodrigo | 4,180.03 mi (6,727.11 km) |
