| Gengenbach to Cologno al Serio | 210.15 mi (338.20 km) |
| Gengenbach to Cologno Monzese | 207.11 mi (333.32 km) |
| Gengenbach to Colorno | 264.47 mi (425.63 km) |
| Gengenbach to Comacchio | 323.24 mi (520.20 km) |
| Gengenbach to Comiso | 858.09 mi (1,380.97 km) |
| Gengenbach to Como | 185.86 mi (299.11 km) |
| Gengenbach to Concordia Sagittaria | 291.13 mi (468.53 km) |
| Gengenbach to Concorezzo | 203.87 mi (328.10 km) |
| Gengenbach to Conegliano | 265.68 mi (427.56 km) |
| Gengenbach to Conselice | 323.93 mi (521.31 km) |
| Gengenbach to Conselve | 284.55 mi (457.93 km) |
| Gengenbach to Conversano | 679.94 mi (1,094.25 km) |
| Gengenbach to Copertino | 748.18 mi (1,204.07 km) |
| Gengenbach to Copparo | 301.99 mi (486.00 km) |
| Gengenbach to Corato | 647.27 mi (1,041.68 km) |
