| Herisau to Cividale del Friuli | 216.26 mi (348.03 km) |
| Herisau to Civita Castellana | 383.66 mi (617.45 km) |
| Herisau to Civitanova Marche | 355.75 mi (572.52 km) |
| Herisau to Civitavecchia | 385.57 mi (620.52 km) |
| Herisau to Civitella in Val di Chiana | 298.69 mi (480.69 km) |
| Herisau to Clusone | 108.59 mi (174.76 km) |
| Herisau to Coccaglio | 130.23 mi (209.58 km) |
| Herisau to Codigoro | 222.86 mi (358.65 km) |
| Herisau to Codogno | 155.03 mi (249.50 km) |
| Herisau to Codroipo | 201.50 mi (324.28 km) |
| Herisau to Cogoleto | 209.00 mi (336.35 km) |
| Herisau to Colle di Val d'Elsa | 289.71 mi (466.25 km) |
| Herisau to Colle Salvetti | 267.95 mi (431.22 km) |
| Herisau to Collecchio | 187.55 mi (301.84 km) |
| Herisau to Colleferro | 431.70 mi (694.75 km) |
