| Astoria to Cortona | 5,689.00 mi (9,155.56 km) |
| Astoria to Cosenza | 6,035.04 mi (9,712.46 km) |
| Astoria to Cossato | 5,457.11 mi (8,782.37 km) |
| Astoria to Costa Volpino | 5,489.61 mi (8,834.67 km) |
| Astoria to Creazzo | 5,540.85 mi (8,917.14 km) |
| Astoria to Crema | 5,506.97 mi (8,862.60 km) |
| Astoria to Cremona | 5,529.51 mi (8,898.89 km) |
| Astoria to Crevalcore | 5,581.82 mi (8,983.07 km) |
| Astoria to Crispiano | 5,977.36 mi (9,619.62 km) |
| Astoria to Crosia | 6,030.72 mi (9,705.51 km) |
| Astoria to Crotone | 6,068.94 mi (9,767.02 km) |
| Astoria to Cuneo | 5,510.78 mi (8,868.74 km) |
| Astoria to Cuorgne | 5,454.32 mi (8,777.89 km) |
| Astoria to Cusano Milanino | 5,483.66 mi (8,825.11 km) |
| Astoria to Cutro | 6,068.93 mi (9,767.00 km) |
