| Glarus to Cividale del Friuli | 217.18 mi (349.52 km) |
| Glarus to Civita Castellana | 366.14 mi (589.25 km) |
| Glarus to Civitanova Marche | 343.70 mi (553.12 km) |
| Glarus to Civitavecchia | 366.39 mi (589.65 km) |
| Glarus to Civitella in Val di Chiana | 281.16 mi (452.48 km) |
| Glarus to Clusone | 89.89 mi (144.67 km) |
| Glarus to Coccaglio | 110.49 mi (177.82 km) |
| Glarus to Codigoro | 211.12 mi (339.77 km) |
| Glarus to Codogno | 133.00 mi (214.03 km) |
| Glarus to Codroipo | 200.23 mi (322.24 km) |
| Glarus to Cogoleto | 183.80 mi (295.80 km) |
| Glarus to Colle di Val d'Elsa | 270.41 mi (435.19 km) |
| Glarus to Colle Salvetti | 246.99 mi (397.49 km) |
| Glarus to Collecchio | 167.17 mi (269.03 km) |
| Glarus to Colleferro | 414.76 mi (667.50 km) |
