| Astoria to Chivasso | 5,472.07 mi (8,806.45 km) |
| Astoria to Ciampino | 5,793.30 mi (9,323.42 km) |
| Astoria to Cicciano | 5,891.29 mi (9,481.12 km) |
| Astoria to Cingoli | 5,713.22 mi (9,194.54 km) |
| Astoria to Cinisello Balsamo | 5,484.50 mi (8,826.45 km) |
| Astoria to Cinisi | 6,026.59 mi (9,698.87 km) |
| Astoria to Cirie | 5,462.11 mi (8,790.41 km) |
| Astoria to Ciro Marina | 6,051.42 mi (9,738.82 km) |
| Astoria to Cislago | 5,472.34 mi (8,806.88 km) |
| Astoria to Cisterna di Latina | 5,811.63 mi (9,352.92 km) |
| Astoria to Cisternino | 5,973.62 mi (9,613.62 km) |
| Astoria to Citta di Castello | 5,684.06 mi (9,147.61 km) |
| Astoria to Citta Sant'Angelo | 5,784.88 mi (9,309.87 km) |
| Astoria to Cittadella | 5,540.99 mi (8,917.35 km) |
| Astoria to Cittanova | 6,089.81 mi (9,800.60 km) |
