| Guyancourt to Chitila | 1,166.43 mi (1,877.19 km) |
| Guyancourt to Cisnadie | 1,052.97 mi (1,694.59 km) |
| Guyancourt to Cluj-Napoca | 1,005.00 mi (1,617.39 km) |
| Guyancourt to Codlea | 1,112.15 mi (1,789.84 km) |
| Guyancourt to Comanesti | 1,142.12 mi (1,838.06 km) |
| Guyancourt to Comarnic | 1,131.48 mi (1,820.93 km) |
| Guyancourt to Constanta | 1,296.08 mi (2,085.84 km) |
| Guyancourt to Corabia | 1,120.69 mi (1,803.57 km) |
| Guyancourt to Costesti | 1,112.16 mi (1,789.85 km) |
| Guyancourt to Covasna | 1,142.44 mi (1,838.59 km) |
| Guyancourt to Craiova | 1,073.43 mi (1,727.51 km) |
| Guyancourt to Cristuru Secuiesc | 1,080.53 mi (1,738.94 km) |
| Guyancourt to Cugir | 1,014.19 mi (1,632.17 km) |
| Guyancourt to Cumpana | 1,294.06 mi (2,082.59 km) |
| Guyancourt to Curtea de Arges | 1,090.84 mi (1,755.53 km) |
