| Astoria to Cividale del Friuli | 5,552.22 mi (8,935.43 km) |
| Astoria to Civita Castellana | 5,758.57 mi (9,267.52 km) |
| Astoria to Civitanova Marche | 5,729.57 mi (9,220.85 km) |
| Astoria to Civitavecchia | 5,755.27 mi (9,262.21 km) |
| Astoria to Civitella in Val di Chiana | 5,673.83 mi (9,131.15 km) |
| Astoria to Clusone | 5,482.82 mi (8,823.75 km) |
| Astoria to Coccaglio | 5,502.56 mi (8,855.51 km) |
| Astoria to Codigoro | 5,598.13 mi (9,009.32 km) |
| Astoria to Codogno | 5,519.79 mi (8,883.24 km) |
| Astoria to Codroipo | 5,550.13 mi (8,932.07 km) |
| Astoria to Cogoleto | 5,538.74 mi (8,913.74 km) |
| Astoria to Colle di Val d'Elsa | 5,660.42 mi (9,109.57 km) |
| Astoria to Colle Salvetti | 5,632.21 mi (9,064.17 km) |
| Astoria to Collecchio | 5,556.89 mi (8,942.95 km) |
| Astoria to Colleferro | 5,807.62 mi (9,346.46 km) |
