| Katy to Cividale del Friuli | 5,584.63 mi (8,987.59 km) |
| Katy to Civita Castellana | 5,688.84 mi (9,155.31 km) |
| Katy to Civitanova Marche | 5,705.53 mi (9,182.16 km) |
| Katy to Civitavecchia | 5,670.31 mi (9,125.48 km) |
| Katy to Civitella in Val di Chiana | 5,616.87 mi (9,039.47 km) |
| Katy to Clusone | 5,452.18 mi (8,774.44 km) |
| Katy to Coccaglio | 5,464.97 mi (8,795.02 km) |
| Katy to Codigoro | 5,579.87 mi (8,979.94 km) |
| Katy to Codogno | 5,468.32 mi (8,800.41 km) |
| Katy to Codroipo | 5,571.80 mi (8,966.95 km) |
| Katy to Cogoleto | 5,451.69 mi (8,773.64 km) |
| Katy to Colle di Val d'Elsa | 5,592.93 mi (9,000.95 km) |
| Katy to Colle Salvetti | 5,558.04 mi (8,944.80 km) |
| Katy to Collecchio | 5,504.52 mi (8,858.66 km) |
| Katy to Colleferro | 5,736.39 mi (9,231.83 km) |
