| Radolfzell am Bodensee to Cologno al Serio | 152.56 mi (245.53 km) |
| Radolfzell am Bodensee to Cologno Monzese | 153.05 mi (246.30 km) |
| Radolfzell am Bodensee to Colorno | 204.92 mi (329.78 km) |
| Radolfzell am Bodensee to Comacchio | 259.89 mi (418.26 km) |
| Radolfzell am Bodensee to Comiso | 798.11 mi (1,284.44 km) |
| Radolfzell am Bodensee to Como | 132.99 mi (214.02 km) |
| Radolfzell am Bodensee to Concordia Sagittaria | 228.56 mi (367.83 km) |
| Radolfzell am Bodensee to Concorezzo | 149.14 mi (240.02 km) |
| Radolfzell am Bodensee to Conegliano | 202.66 mi (326.15 km) |
| Radolfzell am Bodensee to Conselice | 261.18 mi (420.33 km) |
| Radolfzell am Bodensee to Conselve | 221.04 mi (355.72 km) |
| Radolfzell am Bodensee to Conversano | 616.33 mi (991.89 km) |
| Radolfzell am Bodensee to Copertino | 684.58 mi (1,101.73 km) |
| Radolfzell am Bodensee to Copparo | 238.78 mi (384.29 km) |
| Radolfzell am Bodensee to Corato | 583.69 mi (939.35 km) |
