| Radolfzell am Bodensee to Corbetta | 156.62 mi (252.06 km) |
| Radolfzell am Bodensee to Corciano | 356.11 mi (573.10 km) |
| Radolfzell am Bodensee to Cordenons | 213.81 mi (344.10 km) |
| Radolfzell am Bodensee to Cori | 463.04 mi (745.20 km) |
| Radolfzell am Bodensee to Coriano | 313.45 mi (504.45 km) |
| Radolfzell am Bodensee to Corigliano Calabro | 676.16 mi (1,088.18 km) |
| Radolfzell am Bodensee to Corleone | 719.25 mi (1,157.52 km) |
| Radolfzell am Bodensee to Cormano | 151.15 mi (243.25 km) |
| Radolfzell am Bodensee to Cornaredo | 154.34 mi (248.38 km) |
| Radolfzell am Bodensee to Cornate d'Adda | 145.88 mi (234.77 km) |
| Radolfzell am Bodensee to Cornedo Vicentino | 184.79 mi (297.38 km) |
| Radolfzell am Bodensee to Correggio | 222.32 mi (357.80 km) |
| Radolfzell am Bodensee to Corridonia | 380.01 mi (611.57 km) |
| Radolfzell am Bodensee to Corsico | 159.07 mi (256.00 km) |
| Radolfzell am Bodensee to Cortona | 340.91 mi (548.65 km) |
