| Grays to Cividale del Friuli | 701.12 mi (1,128.34 km) |
| Grays to Civita Castellana | 850.82 mi (1,369.26 km) |
| Grays to Civitanova Marche | 841.52 mi (1,354.29 km) |
| Grays to Civitavecchia | 842.98 mi (1,356.64 km) |
| Grays to Civitella in Val di Chiana | 768.41 mi (1,236.64 km) |
| Grays to Clusone | 583.84 mi (939.60 km) |
| Grays to Coccaglio | 600.60 mi (966.57 km) |
| Grays to Codigoro | 709.66 mi (1,142.08 km) |
| Grays to Codogno | 612.21 mi (985.25 km) |
| Grays to Codroipo | 689.59 mi (1,109.78 km) |
| Grays to Cogoleto | 621.98 mi (1,000.98 km) |
| Grays to Colle di Val d'Elsa | 750.90 mi (1,208.46 km) |
| Grays to Colle Salvetti | 720.01 mi (1,158.75 km) |
| Grays to Collecchio | 650.00 mi (1,046.08 km) |
| Grays to Colleferro | 900.63 mi (1,449.42 km) |
