| Riom to Chitila | 1,113.65 mi (1,792.25 km) |
| Riom to Cisnadie | 1,010.48 mi (1,626.21 km) |
| Riom to Cluj-Napoca | 975.74 mi (1,570.30 km) |
| Riom to Codlea | 1,072.35 mi (1,725.77 km) |
| Riom to Comanesti | 1,113.39 mi (1,791.83 km) |
| Riom to Comarnic | 1,086.62 mi (1,748.74 km) |
| Riom to Constanta | 1,246.53 mi (2,006.10 km) |
| Riom to Corabia | 1,055.04 mi (1,697.93 km) |
| Riom to Costesti | 1,058.31 mi (1,703.18 km) |
| Riom to Covasna | 1,106.09 mi (1,780.08 km) |
| Riom to Craiova | 1,012.38 mi (1,629.28 km) |
| Riom to Cristuru Secuiesc | 1,047.45 mi (1,685.72 km) |
| Riom to Cugir | 971.66 mi (1,563.74 km) |
| Riom to Cumpana | 1,243.75 mi (2,001.62 km) |
| Riom to Curtea de Arges | 1,042.25 mi (1,677.34 km) |
