| Rhyl to Cernavoda | 1,545.82 mi (2,487.76 km) |
| Rhyl to Chitila | 1,456.18 mi (2,343.49 km) |
| Rhyl to Cisnadie | 1,335.55 mi (2,149.37 km) |
| Rhyl to Cluj-Napoca | 1,273.98 mi (2,050.27 km) |
| Rhyl to Codlea | 1,388.50 mi (2,234.57 km) |
| Rhyl to Comanesti | 1,402.83 mi (2,257.63 km) |
| Rhyl to Comarnic | 1,413.14 mi (2,274.23 km) |
| Rhyl to Constanta | 1,576.93 mi (2,537.82 km) |
| Rhyl to Corabia | 1,427.13 mi (2,296.74 km) |
| Rhyl to Costesti | 1,405.46 mi (2,261.88 km) |
| Rhyl to Covasna | 1,412.98 mi (2,273.98 km) |
| Rhyl to Craiova | 1,376.64 mi (2,215.49 km) |
| Rhyl to Cristuru Secuiesc | 1,350.03 mi (2,172.66 km) |
| Rhyl to Cugir | 1,298.86 mi (2,090.31 km) |
| Rhyl to Cumpana | 1,575.93 mi (2,536.21 km) |
