| Castellanza to Civita Castellana | 288.24 mi (463.87 km) |
| Castellanza to Civitanova Marche | 287.04 mi (461.94 km) |
| Castellanza to Civitavecchia | 282.64 mi (454.87 km) |
| Castellanza to Civitella in Val di Chiana | 205.79 mi (331.19 km) |
| Castellanza to Clusone | 53.87 mi (86.70 km) |
| Castellanza to Coccaglio | 52.27 mi (84.11 km) |
| Castellanza to Codigoro | 165.62 mi (266.54 km) |
| Castellanza to Codogno | 50.21 mi (80.81 km) |
| Castellanza to Codroipo | 197.95 mi (318.58 km) |
| Castellanza to Cogoleto | 85.70 mi (137.92 km) |
| Castellanza to Colle di Val d'Elsa | 188.58 mi (303.48 km) |
| Castellanza to Colle Salvetti | 159.62 mi (256.88 km) |
| Castellanza to Collecchio | 87.73 mi (141.20 km) |
| Castellanza to Colleferro | 338.00 mi (543.97 km) |
| Castellanza to Collegno | 74.46 mi (119.83 km) |
