| Astoria to Carmona | 5,503.89 mi (8,857.65 km) |
| Astoria to Cartagena | 5,650.57 mi (9,093.71 km) |
| Astoria to Cartama | 5,579.05 mi (8,978.61 km) |
| Astoria to Cartaya | 5,461.70 mi (8,789.76 km) |
| Astoria to Caspe | 5,476.98 mi (8,814.35 km) |
| Astoria to Cassa de la Selva | 5,526.31 mi (8,893.74 km) |
| Astoria to Castalla | 5,604.76 mi (9,019.99 km) |
| Astoria to Castellbisbal | 5,523.69 mi (8,889.51 km) |
| Astoria to Castelldefels | 5,534.69 mi (8,907.22 km) |
| Astoria to Castello de Ampurias | 5,511.04 mi (8,869.16 km) |
| Astoria to Castellon de la Plana | 5,547.06 mi (8,927.12 km) |
| Astoria to Castilleja de la Cuesta | 5,494.19 mi (8,842.04 km) |
| Astoria to Catarroja | 5,568.03 mi (8,960.88 km) |
| Astoria to Catral | 5,624.96 mi (9,052.49 km) |
| Astoria to Caudete | 5,588.68 mi (8,994.11 km) |
