| Gretz-Armainvilliers to Chitila | 1,136.30 mi (1,828.69 km) |
| Gretz-Armainvilliers to Cisnadie | 1,022.82 mi (1,646.07 km) |
| Gretz-Armainvilliers to Cluj-Napoca | 974.92 mi (1,568.98 km) |
| Gretz-Armainvilliers to Codlea | 1,082.02 mi (1,741.33 km) |
| Gretz-Armainvilliers to Comanesti | 1,112.08 mi (1,789.71 km) |
| Gretz-Armainvilliers to Comarnic | 1,101.33 mi (1,772.41 km) |
| Gretz-Armainvilliers to Constanta | 1,265.93 mi (2,037.32 km) |
| Gretz-Armainvilliers to Corabia | 1,090.69 mi (1,755.30 km) |
| Gretz-Armainvilliers to Costesti | 1,082.04 mi (1,741.38 km) |
| Gretz-Armainvilliers to Covasna | 1,112.33 mi (1,790.12 km) |
| Gretz-Armainvilliers to Craiova | 1,043.38 mi (1,679.16 km) |
| Gretz-Armainvilliers to Cristuru Secuiesc | 1,050.43 mi (1,690.50 km) |
| Gretz-Armainvilliers to Cugir | 984.04 mi (1,583.65 km) |
| Gretz-Armainvilliers to Cumpana | 1,263.91 mi (2,034.07 km) |
| Gretz-Armainvilliers to Curtea de Arges | 1,060.69 mi (1,707.02 km) |
