| Altenholz to Cologno al Serio | 609.48 mi (980.86 km) |
| Altenholz to Cologno Monzese | 614.12 mi (988.33 km) |
| Altenholz to Colorno | 654.18 mi (1,052.80 km) |
| Altenholz to Comacchio | 676.40 mi (1,088.56 km) |
| Altenholz to Comiso | 1,224.19 mi (1,970.15 km) |
| Altenholz to Como | 595.28 mi (958.02 km) |
| Altenholz to Concordia Sagittaria | 608.42 mi (979.16 km) |
| Altenholz to Concorezzo | 609.75 mi (981.30 km) |
| Altenholz to Conegliano | 595.88 mi (958.98 km) |
| Altenholz to Conselice | 687.07 mi (1,105.73 km) |
| Altenholz to Conselve | 638.00 mi (1,026.77 km) |
| Altenholz to Conversano | 982.18 mi (1,580.66 km) |
| Altenholz to Copertino | 1,042.94 mi (1,678.45 km) |
| Altenholz to Copparo | 660.73 mi (1,063.33 km) |
| Altenholz to Corato | 959.68 mi (1,544.45 km) |
