| Harwich to Cernavoda | 1,331.49 mi (2,142.82 km) |
| Harwich to Chitila | 1,240.13 mi (1,995.80 km) |
| Harwich to Cisnadie | 1,120.30 mi (1,802.95 km) |
| Harwich to Cluj-Napoca | 1,060.96 mi (1,707.46 km) |
| Harwich to Codlea | 1,174.60 mi (1,890.33 km) |
| Harwich to Comanesti | 1,192.20 mi (1,918.67 km) |
| Harwich to Comarnic | 1,198.35 mi (1,928.56 km) |
| Harwich to Constanta | 1,362.85 mi (2,193.29 km) |
| Harwich to Corabia | 1,208.59 mi (1,945.03 km) |
| Harwich to Costesti | 1,188.69 mi (1,913.02 km) |
| Harwich to Covasna | 1,200.33 mi (1,931.74 km) |
| Harwich to Craiova | 1,158.38 mi (1,864.24 km) |
| Harwich to Cristuru Secuiesc | 1,137.29 mi (1,830.30 km) |
| Harwich to Cugir | 1,083.10 mi (1,743.08 km) |
| Harwich to Cumpana | 1,361.65 mi (2,191.36 km) |
