| Sigmaringen to Chitila | 835.70 mi (1,344.93 km) |
| Sigmaringen to Cisnadie | 722.62 mi (1,162.95 km) |
| Sigmaringen to Cluj-Napoca | 676.71 mi (1,089.07 km) |
| Sigmaringen to Codlea | 782.22 mi (1,258.87 km) |
| Sigmaringen to Comanesti | 814.45 mi (1,310.73 km) |
| Sigmaringen to Comarnic | 801.03 mi (1,289.14 km) |
| Sigmaringen to Constanta | 965.48 mi (1,553.78 km) |
| Sigmaringen to Corabia | 791.06 mi (1,273.09 km) |
| Sigmaringen to Costesti | 781.46 mi (1,257.63 km) |
| Sigmaringen to Covasna | 813.12 mi (1,308.59 km) |
| Sigmaringen to Craiova | 743.28 mi (1,196.20 km) |
| Sigmaringen to Cristuru Secuiesc | 751.66 mi (1,209.68 km) |
| Sigmaringen to Cugir | 683.77 mi (1,100.42 km) |
| Sigmaringen to Cumpana | 963.41 mi (1,550.47 km) |
| Sigmaringen to Curtea de Arges | 760.15 mi (1,223.34 km) |
