| Hopatcong to Chivasso | 3,988.04 mi (6,418.13 km) |
| Hopatcong to Ciampino | 4,309.16 mi (6,934.92 km) |
| Hopatcong to Cicciano | 4,424.64 mi (7,120.77 km) |
| Hopatcong to Cingoli | 4,279.50 mi (6,887.20 km) |
| Hopatcong to Cinisello Balsamo | 4,033.47 mi (6,491.25 km) |
| Hopatcong to Cinisi | 4,466.41 mi (7,187.99 km) |
| Hopatcong to Cirie | 3,974.24 mi (6,395.93 km) |
| Hopatcong to Ciro Marina | 4,599.84 mi (7,402.73 km) |
| Hopatcong to Cislago | 4,019.56 mi (6,468.85 km) |
| Hopatcong to Cisterna di Latina | 4,326.78 mi (6,963.28 km) |
| Hopatcong to Cisternino | 4,559.83 mi (7,338.33 km) |
| Hopatcong to Citta di Castello | 4,234.29 mi (6,814.43 km) |
| Hopatcong to Citta Sant'Angelo | 4,346.18 mi (6,994.49 km) |
| Hopatcong to Cittadella | 4,138.91 mi (6,660.94 km) |
| Hopatcong to Cittanova | 4,593.58 mi (7,392.65 km) |
