| Smyrna to Cehegin | 4,473.66 mi (7,199.66 km) |
| Smyrna to Cervello | 4,560.08 mi (7,338.74 km) |
| Smyrna to Cervera | 4,519.97 mi (7,274.20 km) |
| Smyrna to Ceuti | 4,500.11 mi (7,242.22 km) |
| Smyrna to Cheste | 4,488.80 mi (7,224.02 km) |
| Smyrna to Chiclana de la Frontera | 4,301.42 mi (6,922.46 km) |
| Smyrna to Chipiona | 4,278.38 mi (6,885.39 km) |
| Smyrna to Chiva | 4,487.32 mi (7,221.64 km) |
| Smyrna to Churriana de la Vega | 4,407.92 mi (7,093.86 km) |
| Smyrna to Ciempozuelos | 4,327.29 mi (6,964.10 km) |
| Smyrna to Cieza | 4,488.25 mi (7,223.14 km) |
| Smyrna to Cisterniga | 4,238.03 mi (6,820.45 km) |
| Smyrna to Ciudad de Melilla | 4,497.12 mi (7,237.41 km) |
| Smyrna to Ciudad Real | 4,344.12 mi (6,991.19 km) |
| Smyrna to Ciudad-Rodrigo | 4,173.30 mi (6,716.28 km) |
