| Efringen-Kirchen to Cervello | 512.83 mi (825.32 km) |
| Efringen-Kirchen to Cervera | 516.33 mi (830.95 km) |
| Efringen-Kirchen to Ceuti | 797.67 mi (1,283.73 km) |
| Efringen-Kirchen to Cheste | 698.92 mi (1,124.80 km) |
| Efringen-Kirchen to Chiclana de la Frontera | 1,044.93 mi (1,681.65 km) |
| Efringen-Kirchen to Chipiona | 1,037.53 mi (1,669.74 km) |
| Efringen-Kirchen to Chiva | 700.43 mi (1,127.24 km) |
| Efringen-Kirchen to Churriana de la Vega | 922.30 mi (1,484.30 km) |
| Efringen-Kirchen to Ciempozuelos | 759.00 mi (1,221.49 km) |
| Efringen-Kirchen to Cieza | 792.40 mi (1,275.25 km) |
| Efringen-Kirchen to Cisterniga | 731.29 mi (1,176.89 km) |
| Efringen-Kirchen to Ciudad de Melilla | 1,011.38 mi (1,627.66 km) |
| Efringen-Kirchen to Ciudad Real | 830.27 mi (1,336.18 km) |
| Efringen-Kirchen to Ciudad-Rodrigo | 850.68 mi (1,369.04 km) |
| Efringen-Kirchen to Cocentaina | 735.07 mi (1,182.99 km) |
