| Horb am Neckar to Cologno al Serio | 203.37 mi (327.29 km) |
| Horb am Neckar to Cologno Monzese | 203.41 mi (327.36 km) |
| Horb am Neckar to Colorno | 255.55 mi (411.27 km) |
| Horb am Neckar to Comacchio | 307.29 mi (494.54 km) |
| Horb am Neckar to Comiso | 848.38 mi (1,365.34 km) |
| Horb am Neckar to Como | 183.00 mi (294.52 km) |
| Horb am Neckar to Concordia Sagittaria | 269.19 mi (433.23 km) |
| Horb am Neckar to Concorezzo | 199.62 mi (321.27 km) |
| Horb am Neckar to Conegliano | 244.79 mi (393.95 km) |
| Horb am Neckar to Conselice | 309.82 mi (498.61 km) |
| Horb am Neckar to Conselve | 267.86 mi (431.08 km) |
| Horb am Neckar to Conversano | 661.12 mi (1,063.97 km) |
| Horb am Neckar to Copertino | 729.01 mi (1,173.23 km) |
| Horb am Neckar to Copparo | 286.64 mi (461.30 km) |
| Horb am Neckar to Corato | 629.33 mi (1,012.80 km) |
