| Ruislip to Cernavoda | 1,398.01 mi (2,249.89 km) |
| Ruislip to Chitila | 1,305.33 mi (2,100.72 km) |
| Ruislip to Cisnadie | 1,186.34 mi (1,909.22 km) |
| Ruislip to Cluj-Napoca | 1,128.73 mi (1,816.52 km) |
| Ruislip to Codlea | 1,241.62 mi (1,998.19 km) |
| Ruislip to Comanesti | 1,261.22 mi (2,029.74 km) |
| Ruislip to Comarnic | 1,264.67 mi (2,035.29 km) |
| Ruislip to Constanta | 1,429.54 mi (2,300.62 km) |
| Ruislip to Corabia | 1,270.92 mi (2,045.34 km) |
| Ruislip to Costesti | 1,253.23 mi (2,016.88 km) |
| Ruislip to Covasna | 1,268.16 mi (2,040.90 km) |
| Ruislip to Craiova | 1,221.18 mi (1,965.30 km) |
| Ruislip to Cristuru Secuiesc | 1,205.15 mi (1,939.50 km) |
| Ruislip to Cugir | 1,148.74 mi (1,848.73 km) |
| Ruislip to Cumpana | 1,428.19 mi (2,298.46 km) |
