| Appenzell to Cocentaina | 773.27 mi (1,244.46 km) |
| Appenzell to Coin | 1,032.38 mi (1,661.46 km) |
| Appenzell to Colindres | 680.11 mi (1,094.53 km) |
| Appenzell to Collado-Villalba | 810.46 mi (1,304.32 km) |
| Appenzell to Colmenar Viejo | 799.52 mi (1,286.71 km) |
| Appenzell to Colmenarejo | 813.99 mi (1,310.00 km) |
| Appenzell to Conil de la Frontera | 1,101.62 mi (1,772.88 km) |
| Appenzell to Consuegra | 848.47 mi (1,365.48 km) |
| Appenzell to Corbera de Llobregat | 550.63 mi (886.16 km) |
| Appenzell to Cordoba | 970.55 mi (1,561.94 km) |
| Appenzell to Coria del Rio | 1,048.54 mi (1,687.46 km) |
| Appenzell to Crevillente | 812.69 mi (1,307.90 km) |
| Appenzell to Cuarte de Huerva | 645.24 mi (1,038.42 km) |
| Appenzell to Cubellas | 570.17 mi (917.60 km) |
| Appenzell to Cuellar | 790.74 mi (1,272.57 km) |
