| Castelo Branco to Cividale del Friuli | 1,139.76 mi (1,834.27 km) |
| Castelo Branco to Civita Castellana | 1,048.88 mi (1,688.01 km) |
| Castelo Branco to Civitanova Marche | 1,120.58 mi (1,803.41 km) |
| Castelo Branco to Civitavecchia | 1,017.08 mi (1,636.83 km) |
| Castelo Branco to Civitella in Val di Chiana | 1,020.78 mi (1,642.79 km) |
| Castelo Branco to Clusone | 975.50 mi (1,569.92 km) |
| Castelo Branco to Coccaglio | 969.75 mi (1,560.65 km) |
| Castelo Branco to Codigoro | 1,057.17 mi (1,701.35 km) |
| Castelo Branco to Codogno | 948.75 mi (1,526.87 km) |
| Castelo Branco to Codroipo | 1,116.26 mi (1,796.45 km) |
| Castelo Branco to Cogoleto | 884.09 mi (1,422.80 km) |
| Castelo Branco to Colle di Val d'Elsa | 991.61 mi (1,595.85 km) |
| Castelo Branco to Colle Salvetti | 961.54 mi (1,547.46 km) |
| Castelo Branco to Collecchio | 965.20 mi (1,553.34 km) |
| Castelo Branco to Colleferro | 1,079.03 mi (1,736.53 km) |
