| Widnau to Cehegin | 864.21 mi (1,390.81 km) |
| Widnau to Cervello | 561.23 mi (903.22 km) |
| Widnau to Cervera | 570.87 mi (918.73 km) |
| Widnau to Ceuti | 847.45 mi (1,363.83 km) |
| Widnau to Cheste | 751.97 mi (1,210.18 km) |
| Widnau to Chiclana de la Frontera | 1,107.14 mi (1,781.76 km) |
| Widnau to Chipiona | 1,101.59 mi (1,772.84 km) |
| Widnau to Chiva | 753.62 mi (1,212.84 km) |
| Widnau to Churriana de la Vega | 978.51 mi (1,574.75 km) |
| Widnau to Ciempozuelos | 827.14 mi (1,331.15 km) |
| Widnau to Cieza | 843.50 mi (1,357.48 km) |
| Widnau to Cisterniga | 808.93 mi (1,301.85 km) |
| Widnau to Ciudad de Melilla | 1,058.69 mi (1,703.79 km) |
| Widnau to Ciudad Real | 894.42 mi (1,439.43 km) |
| Widnau to Ciudad-Rodrigo | 928.49 mi (1,494.26 km) |
