| Killingworth to Cernavoda | 1,498.87 mi (2,412.19 km) |
| Killingworth to Chitila | 1,414.12 mi (2,275.80 km) |
| Killingworth to Cisnadie | 1,292.24 mi (2,079.65 km) |
| Killingworth to Cluj-Napoca | 1,225.97 mi (1,973.01 km) |
| Killingworth to Codlea | 1,341.53 mi (2,158.99 km) |
| Killingworth to Comanesti | 1,349.06 mi (2,171.11 km) |
| Killingworth to Comarnic | 1,368.10 mi (2,201.75 km) |
| Killingworth to Constanta | 1,529.20 mi (2,461.01 km) |
| Killingworth to Corabia | 1,393.46 mi (2,242.55 km) |
| Killingworth to Costesti | 1,365.82 mi (2,198.08 km) |
| Killingworth to Covasna | 1,363.14 mi (2,193.76 km) |
| Killingworth to Craiova | 1,342.17 mi (2,160.01 km) |
| Killingworth to Cristuru Secuiesc | 1,300.80 mi (2,093.44 km) |
| Killingworth to Cugir | 1,257.14 mi (2,023.18 km) |
| Killingworth to Cumpana | 1,528.67 mi (2,460.15 km) |
