| Diez to Civita Castellana | 595.72 mi (958.72 km) |
| Diez to Civitanova Marche | 557.91 mi (897.88 km) |
| Diez to Civitavecchia | 599.18 mi (964.29 km) |
| Diez to Civitella in Val di Chiana | 511.10 mi (822.54 km) |
| Diez to Clusone | 322.60 mi (519.18 km) |
| Diez to Coccaglio | 344.32 mi (554.12 km) |
| Diez to Codigoro | 427.49 mi (687.98 km) |
| Diez to Codogno | 368.45 mi (592.97 km) |
| Diez to Codroipo | 380.72 mi (612.71 km) |
| Diez to Cogoleto | 414.32 mi (666.79 km) |
| Diez to Colle di Val d'Elsa | 503.51 mi (810.32 km) |
| Diez to Colle Salvetti | 481.98 mi (775.68 km) |
| Diez to Collecchio | 401.64 mi (646.38 km) |
| Diez to Colleferro | 642.80 mi (1,034.48 km) |
| Diez to Collegno | 366.31 mi (589.52 km) |
