| Port Washington to Chivasso | 3,950.46 mi (6,357.66 km) |
| Port Washington to Ciampino | 4,270.67 mi (6,872.97 km) |
| Port Washington to Cicciano | 4,386.19 mi (7,058.89 km) |
| Port Washington to Cingoli | 4,242.12 mi (6,827.04 km) |
| Port Washington to Cinisello Balsamo | 3,996.46 mi (6,431.68 km) |
| Port Washington to Cinisi | 4,426.01 mi (7,122.97 km) |
| Port Washington to Cirie | 3,936.63 mi (6,335.39 km) |
| Port Washington to Ciro Marina | 4,561.23 mi (7,340.59 km) |
| Port Washington to Cislago | 3,982.55 mi (6,409.29 km) |
| Port Washington to Cisterna di Latina | 4,288.22 mi (6,901.23 km) |
| Port Washington to Cisternino | 4,522.07 mi (7,277.56 km) |
| Port Washington to Citta di Castello | 4,196.71 mi (6,753.94 km) |
| Port Washington to Citta Sant'Angelo | 4,308.50 mi (6,933.86 km) |
| Port Washington to Cittadella | 4,102.61 mi (6,602.51 km) |
| Port Washington to Cittanova | 4,554.11 mi (7,329.14 km) |
