| Gragnano to Cividale del Friuli | 377.32 mi (607.24 km) |
| Gragnano to Civita Castellana | 155.23 mi (249.81 km) |
| Gragnano to Civitanova Marche | 184.36 mi (296.71 km) |
| Gragnano to Civitavecchia | 170.93 mi (275.08 km) |
| Gragnano to Civitella in Val di Chiana | 236.52 mi (380.65 km) |
| Gragnano to Clusone | 425.49 mi (684.77 km) |
| Gragnano to Coccaglio | 406.60 mi (654.36 km) |
| Gragnano to Codigoro | 310.66 mi (499.96 km) |
| Gragnano to Codogno | 392.74 mi (632.05 km) |
| Gragnano to Codroipo | 371.98 mi (598.64 km) |
| Gragnano to Cogoleto | 392.76 mi (632.08 km) |
| Gragnano to Colle di Val d'Elsa | 254.95 mi (410.31 km) |
| Gragnano to Colle Salvetti | 287.91 mi (463.34 km) |
| Gragnano to Collecchio | 354.96 mi (571.26 km) |
| Gragnano to Colleferro | 105.86 mi (170.37 km) |
