| Heidelberg to Cologno al Serio | 268.80 mi (432.60 km) |
| Heidelberg to Cologno Monzese | 269.92 mi (434.39 km) |
| Heidelberg to Colorno | 319.49 mi (514.16 km) |
| Heidelberg to Comacchio | 364.36 mi (586.38 km) |
| Heidelberg to Comiso | 910.22 mi (1,464.86 km) |
| Heidelberg to Como | 249.77 mi (401.97 km) |
| Heidelberg to Concordia Sagittaria | 317.22 mi (510.52 km) |
| Heidelberg to Concorezzo | 265.99 mi (428.07 km) |
| Heidelberg to Conegliano | 295.32 mi (475.27 km) |
| Heidelberg to Conselice | 368.99 mi (593.83 km) |
| Heidelberg to Conselve | 324.45 mi (522.14 km) |
| Heidelberg to Conversano | 711.89 mi (1,145.67 km) |
| Heidelberg to Copertino | 778.95 mi (1,253.60 km) |
| Heidelberg to Copparo | 344.64 mi (554.65 km) |
| Heidelberg to Corato | 681.66 mi (1,097.03 km) |
