| Rickmansworth to Cernavoda | 1,400.13 mi (2,253.30 km) |
| Rickmansworth to Chitila | 1,307.58 mi (2,104.34 km) |
| Rickmansworth to Cisnadie | 1,188.50 mi (1,912.70 km) |
| Rickmansworth to Cluj-Napoca | 1,130.71 mi (1,819.70 km) |
| Rickmansworth to Codlea | 1,243.68 mi (2,001.51 km) |
| Rickmansworth to Comanesti | 1,263.06 mi (2,032.70 km) |
| Rickmansworth to Comarnic | 1,266.81 mi (2,038.73 km) |
| Rickmansworth to Constanta | 1,431.64 mi (2,304.01 km) |
| Rickmansworth to Corabia | 1,273.42 mi (2,049.36 km) |
| Rickmansworth to Costesti | 1,255.54 mi (2,020.60 km) |
| Rickmansworth to Covasna | 1,270.14 mi (2,044.08 km) |
| Rickmansworth to Craiova | 1,223.64 mi (1,969.26 km) |
| Rickmansworth to Cristuru Secuiesc | 1,207.12 mi (1,942.67 km) |
| Rickmansworth to Cugir | 1,150.94 mi (1,852.26 km) |
| Rickmansworth to Cumpana | 1,430.31 mi (2,301.87 km) |
