| Radolfzell am Bodensee to Catania | 771.95 mi (1,242.34 km) |
| Radolfzell am Bodensee to Catanzaro | 720.12 mi (1,158.92 km) |
| Radolfzell am Bodensee to Cattolica | 317.07 mi (510.27 km) |
| Radolfzell am Bodensee to Cava de' Tirreni | 562.44 mi (905.15 km) |
| Radolfzell am Bodensee to Cavallino | 686.79 mi (1,105.27 km) |
| Radolfzell am Bodensee to Cavarzere | 232.73 mi (374.54 km) |
| Radolfzell am Bodensee to Cave | 452.58 mi (728.35 km) |
| Radolfzell am Bodensee to Cavriago | 222.55 mi (358.16 km) |
| Radolfzell am Bodensee to Cavriglia | 315.65 mi (507.99 km) |
| Radolfzell am Bodensee to Cazzago San Martino | 156.91 mi (252.53 km) |
| Radolfzell am Bodensee to Ceccano | 476.88 mi (767.47 km) |
| Radolfzell am Bodensee to Cecina | 314.23 mi (505.70 km) |
| Radolfzell am Bodensee to Cefalu | 716.91 mi (1,153.76 km) |
| Radolfzell am Bodensee to Ceglie Messapico | 645.91 mi (1,039.49 km) |
| Radolfzell am Bodensee to Celano | 450.02 mi (724.23 km) |
