| Rennes to Chitila | 1,335.88 mi (2,149.90 km) |
| Rennes to Cisnadie | 1,224.47 mi (1,970.60 km) |
| Rennes to Cluj-Napoca | 1,178.90 mi (1,897.25 km) |
| Rennes to Codlea | 1,284.40 mi (2,067.04 km) |
| Rennes to Comanesti | 1,316.46 mi (2,118.64 km) |
| Rennes to Comarnic | 1,302.70 mi (2,096.49 km) |
| Rennes to Constanta | 1,466.66 mi (2,360.35 km) |
| Rennes to Corabia | 1,286.42 mi (2,070.30 km) |
| Rennes to Costesti | 1,281.17 mi (2,061.85 km) |
| Rennes to Covasna | 1,315.45 mi (2,117.01 km) |
| Rennes to Craiova | 1,240.35 mi (1,996.15 km) |
| Rennes to Cristuru Secuiesc | 1,253.98 mi (2,018.08 km) |
| Rennes to Cugir | 1,185.55 mi (1,907.96 km) |
| Rennes to Cumpana | 1,464.45 mi (2,356.80 km) |
| Rennes to Curtea de Arges | 1,261.08 mi (2,029.51 km) |
