| Appenzell to Cividale del Friuli | 208.45 mi (335.46 km) |
| Appenzell to Civita Castellana | 377.62 mi (607.72 km) |
| Appenzell to Civitanova Marche | 348.65 mi (561.10 km) |
| Appenzell to Civitavecchia | 380.00 mi (611.55 km) |
| Appenzell to Civitella in Val di Chiana | 292.70 mi (471.05 km) |
| Appenzell to Clusone | 103.33 mi (166.30 km) |
| Appenzell to Coccaglio | 125.18 mi (201.46 km) |
| Appenzell to Codigoro | 215.79 mi (347.29 km) |
| Appenzell to Codogno | 150.79 mi (242.67 km) |
| Appenzell to Codroipo | 193.68 mi (311.70 km) |
| Appenzell to Cogoleto | 206.75 mi (332.74 km) |
| Appenzell to Colle di Val d'Elsa | 284.23 mi (457.43 km) |
| Appenzell to Colle Salvetti | 263.07 mi (423.36 km) |
| Appenzell to Collecchio | 182.56 mi (293.81 km) |
| Appenzell to Colleferro | 425.49 mi (684.77 km) |
