| Tettnang to Chitila | 813.67 mi (1,309.47 km) |
| Tettnang to Cisnadie | 702.21 mi (1,130.11 km) |
| Tettnang to Cluj-Napoca | 658.85 mi (1,060.32 km) |
| Tettnang to Codlea | 762.45 mi (1,227.04 km) |
| Tettnang to Comanesti | 796.86 mi (1,282.42 km) |
| Tettnang to Comarnic | 780.35 mi (1,255.85 km) |
| Tettnang to Constanta | 944.25 mi (1,519.62 km) |
| Tettnang to Corabia | 766.71 mi (1,233.90 km) |
| Tettnang to Costesti | 759.10 mi (1,221.65 km) |
| Tettnang to Covasna | 794.05 mi (1,277.90 km) |
| Tettnang to Craiova | 719.56 mi (1,158.01 km) |
| Tettnang to Cristuru Secuiesc | 733.14 mi (1,179.87 km) |
| Tettnang to Cugir | 663.26 mi (1,067.42 km) |
| Tettnang to Cumpana | 942.05 mi (1,516.09 km) |
| Tettnang to Curtea de Arges | 738.69 mi (1,188.80 km) |
