| Costessey to Cividale del Friuli | 710.72 mi (1,143.80 km) |
| Costessey to Civita Castellana | 884.40 mi (1,423.30 km) |
| Costessey to Civitanova Marche | 865.55 mi (1,392.96 km) |
| Costessey to Civitavecchia | 879.79 mi (1,415.88 km) |
| Costessey to Civitella in Val di Chiana | 800.28 mi (1,287.93 km) |
| Costessey to Clusone | 610.89 mi (983.14 km) |
| Costessey to Coccaglio | 629.53 mi (1,013.13 km) |
| Costessey to Codigoro | 732.66 mi (1,179.09 km) |
| Costessey to Codogno | 644.94 mi (1,037.92 km) |
| Costessey to Codroipo | 701.95 mi (1,129.68 km) |
| Costessey to Cogoleto | 664.15 mi (1,068.85 km) |
| Costessey to Colle di Val d'Elsa | 785.43 mi (1,264.02 km) |
| Costessey to Colle Salvetti | 756.63 mi (1,217.68 km) |
| Costessey to Collecchio | 682.37 mi (1,098.17 km) |
| Costessey to Colleferro | 933.88 mi (1,502.94 km) |
