| Penarth to Cernavoda | 1,513.12 mi (2,435.13 km) |
| Penarth to Chitila | 1,419.58 mi (2,284.60 km) |
| Penarth to Cisnadie | 1,301.23 mi (2,094.13 km) |
| Penarth to Cluj-Napoca | 1,244.73 mi (2,003.20 km) |
| Penarth to Codlea | 1,357.11 mi (2,184.05 km) |
| Penarth to Comanesti | 1,377.85 mi (2,217.44 km) |
| Penarth to Comarnic | 1,379.71 mi (2,220.42 km) |
| Penarth to Constanta | 1,544.73 mi (2,486.01 km) |
| Penarth to Corabia | 1,383.09 mi (2,225.86 km) |
| Penarth to Costesti | 1,367.06 mi (2,200.07 km) |
| Penarth to Covasna | 1,384.13 mi (2,227.53 km) |
| Penarth to Craiova | 1,333.76 mi (2,146.48 km) |
| Penarth to Cristuru Secuiesc | 1,321.16 mi (2,126.20 km) |
| Penarth to Cugir | 1,263.41 mi (2,033.26 km) |
| Penarth to Cumpana | 1,543.30 mi (2,483.70 km) |
