| Gladstone to Chivasso | 4,883.52 mi (7,859.26 km) |
| Gladstone to Ciampino | 5,214.08 mi (8,391.25 km) |
| Gladstone to Cicciano | 5,327.60 mi (8,573.94 km) |
| Gladstone to Cingoli | 5,168.31 mi (8,317.59 km) |
| Gladstone to Cinisello Balsamo | 4,920.10 mi (7,918.13 km) |
| Gladstone to Cinisi | 5,397.48 mi (8,686.40 km) |
| Gladstone to Cirie | 4,870.48 mi (7,838.28 km) |
| Gladstone to Ciro Marina | 5,503.20 mi (8,856.55 km) |
| Gladstone to Cislago | 4,906.30 mi (7,895.92 km) |
| Gladstone to Cisterna di Latina | 5,232.40 mi (8,420.74 km) |
| Gladstone to Cisternino | 5,450.83 mi (8,772.26 km) |
| Gladstone to Citta di Castello | 5,126.66 mi (8,250.56 km) |
| Gladstone to Citta Sant'Angelo | 5,238.48 mi (8,430.53 km) |
| Gladstone to Cittadella | 5,013.50 mi (8,068.45 km) |
| Gladstone to Cittanova | 5,509.74 mi (8,867.08 km) |
