| Altenstadt to Cologno al Serio | 326.77 mi (525.88 km) |
| Altenstadt to Cologno Monzese | 329.04 mi (529.54 km) |
| Altenstadt to Colorno | 375.81 mi (604.80 km) |
| Altenstadt to Comacchio | 414.38 mi (666.88 km) |
| Altenstadt to Comiso | 963.13 mi (1,550.00 km) |
| Altenstadt to Como | 309.28 mi (497.74 km) |
| Altenstadt to Concordia Sagittaria | 360.50 mi (580.17 km) |
| Altenstadt to Concorezzo | 324.96 mi (522.97 km) |
| Altenstadt to Conegliano | 340.96 mi (548.72 km) |
| Altenstadt to Conselice | 420.77 mi (677.17 km) |
| Altenstadt to Conselve | 374.45 mi (602.62 km) |
| Altenstadt to Conversano | 754.27 mi (1,213.88 km) |
| Altenstadt to Copertino | 820.32 mi (1,320.18 km) |
| Altenstadt to Copparo | 395.62 mi (636.69 km) |
| Altenstadt to Corato | 725.62 mi (1,167.77 km) |
