| Killingworth to Chivasso | 796.78 mi (1,282.29 km) |
| Killingworth to Ciampino | 1,116.69 mi (1,797.13 km) |
| Killingworth to Cicciano | 1,217.62 mi (1,959.57 km) |
| Killingworth to Cingoli | 1,041.76 mi (1,676.55 km) |
| Killingworth to Cinisello Balsamo | 807.56 mi (1,299.65 km) |
| Killingworth to Cinisi | 1,351.01 mi (2,174.24 km) |
| Killingworth to Cirie | 787.57 mi (1,267.47 km) |
| Killingworth to Ciro Marina | 1,383.85 mi (2,227.10 km) |
| Killingworth to Cislago | 795.33 mi (1,279.95 km) |
| Killingworth to Cisterna di Latina | 1,135.10 mi (1,826.77 km) |
| Killingworth to Cisternino | 1,314.35 mi (2,115.24 km) |
| Killingworth to Citta di Castello | 1,009.38 mi (1,624.45 km) |
| Killingworth to Citta Sant'Angelo | 1,114.01 mi (1,792.83 km) |
| Killingworth to Cittadella | 872.41 mi (1,404.00 km) |
| Killingworth to Cittanova | 1,415.17 mi (2,277.50 km) |
