| Thorne to Cehegin | 1,072.78 mi (1,726.47 km) |
| Thorne to Cervello | 854.50 mi (1,375.19 km) |
| Thorne to Cervera | 831.55 mi (1,338.25 km) |
| Thorne to Ceuti | 1,073.08 mi (1,726.96 km) |
| Thorne to Cheste | 976.28 mi (1,571.17 km) |
| Thorne to Chiclana de la Frontera | 1,213.78 mi (1,953.40 km) |
| Thorne to Chipiona | 1,195.18 mi (1,923.45 km) |
| Thorne to Chiva | 976.83 mi (1,572.06 km) |
| Thorne to Churriana de la Vega | 1,144.43 mi (1,841.78 km) |
| Thorne to Ciempozuelos | 937.52 mi (1,508.80 km) |
| Thorne to Cieza | 1,062.13 mi (1,709.33 km) |
| Thorne to Cisterniga | 846.21 mi (1,361.84 km) |
| Thorne to Ciudad de Melilla | 1,269.86 mi (2,043.64 km) |
| Thorne to Ciudad Real | 1,020.08 mi (1,641.66 km) |
| Thorne to Ciudad-Rodrigo | 935.81 mi (1,506.04 km) |