| Astoria to Castrovillari | 6,001.89 mi (9,659.11 km) |
| Astoria to Catania | 6,117.83 mi (9,845.70 km) |
| Astoria to Catanzaro | 6,068.14 mi (9,765.72 km) |
| Astoria to Cattolica | 5,665.26 mi (9,117.35 km) |
| Astoria to Cava de' Tirreni | 5,911.66 mi (9,513.90 km) |
| Astoria to Cavallino | 6,016.94 mi (9,683.33 km) |
| Astoria to Cavarzere | 5,578.98 mi (8,978.50 km) |
| Astoria to Cave | 5,800.51 mi (9,335.01 km) |
| Astoria to Cavriago | 5,567.70 mi (8,960.35 km) |
| Astoria to Cavriglia | 5,662.07 mi (9,112.22 km) |
| Astoria to Cazzago San Martino | 5,502.63 mi (8,855.62 km) |
| Astoria to Ceccano | 5,825.51 mi (9,375.26 km) |
| Astoria to Cecina | 5,649.99 mi (9,092.79 km) |
| Astoria to Cefalu | 6,058.13 mi (9,749.62 km) |
| Astoria to Ceglie Messapico | 5,980.33 mi (9,624.41 km) |
