| Altensteig to Cologno al Serio | 213.79 mi (344.06 km) |
| Altensteig to Cologno Monzese | 213.64 mi (343.82 km) |
| Altensteig to Colorno | 266.05 mi (428.17 km) |
| Altensteig to Comacchio | 317.60 mi (511.12 km) |
| Altensteig to Comiso | 858.90 mi (1,382.27 km) |
| Altensteig to Como | 193.14 mi (310.82 km) |
| Altensteig to Concordia Sagittaria | 278.68 mi (448.49 km) |
| Altensteig to Concorezzo | 209.89 mi (337.78 km) |
| Altensteig to Conegliano | 254.50 mi (409.58 km) |
| Altensteig to Conselice | 320.24 mi (515.38 km) |
| Altensteig to Conselve | 278.11 mi (447.58 km) |
| Altensteig to Conversano | 671.03 mi (1,079.93 km) |
| Altensteig to Copertino | 738.86 mi (1,189.09 km) |
| Altensteig to Copparo | 296.99 mi (477.96 km) |
| Altensteig to Corato | 639.36 mi (1,028.95 km) |
