| Gross-Umstadt to Cologno al Serio | 298.09 mi (479.73 km) |
| Gross-Umstadt to Cologno Monzese | 300.16 mi (483.06 km) |
| Gross-Umstadt to Colorno | 347.53 mi (559.29 km) |
| Gross-Umstadt to Comacchio | 388.03 mi (624.48 km) |
| Gross-Umstadt to Comiso | 936.00 mi (1,506.34 km) |
| Gross-Umstadt to Como | 280.36 mi (451.19 km) |
| Gross-Umstadt to Concordia Sagittaria | 336.45 mi (541.46 km) |
| Gross-Umstadt to Concorezzo | 296.10 mi (476.53 km) |
| Gross-Umstadt to Conegliano | 316.03 mi (508.59 km) |
| Gross-Umstadt to Conselice | 393.85 mi (633.84 km) |
| Gross-Umstadt to Conselve | 348.07 mi (560.16 km) |
| Gross-Umstadt to Conversano | 730.91 mi (1,176.29 km) |
| Gross-Umstadt to Copertino | 797.38 mi (1,283.26 km) |
| Gross-Umstadt to Copparo | 368.94 mi (593.75 km) |
| Gross-Umstadt to Corato | 701.65 mi (1,129.19 km) |
