| Portes-les-Valence to Chitila | 1,034.07 mi (1,664.18 km) |
| Portes-les-Valence to Cisnadie | 936.37 mi (1,506.94 km) |
| Portes-les-Valence to Cluj-Napoca | 908.01 mi (1,461.30 km) |
| Portes-les-Valence to Codlea | 998.70 mi (1,607.26 km) |
| Portes-les-Valence to Comanesti | 1,044.21 mi (1,680.49 km) |
| Portes-les-Valence to Comarnic | 1,010.64 mi (1,626.47 km) |
| Portes-les-Valence to Constanta | 1,167.20 mi (1,878.42 km) |
| Portes-les-Valence to Corabia | 970.75 mi (1,562.27 km) |
| Portes-les-Valence to Costesti | 978.81 mi (1,575.24 km) |
| Portes-les-Valence to Covasna | 1,033.60 mi (1,663.43 km) |
| Portes-les-Valence to Craiova | 930.37 mi (1,497.29 km) |
| Portes-les-Valence to Cristuru Secuiesc | 977.07 mi (1,572.45 km) |
| Portes-les-Valence to Cugir | 898.03 mi (1,445.24 km) |
| Portes-les-Valence to Cumpana | 1,164.12 mi (1,873.47 km) |
| Portes-les-Valence to Curtea de Arges | 965.14 mi (1,553.24 km) |
