| Iserlohn to Cologno al Serio | 411.37 mi (662.04 km) |
| Iserlohn to Cologno Monzese | 411.18 mi (661.73 km) |
| Iserlohn to Colorno | 462.82 mi (744.84 km) |
| Iserlohn to Comacchio | 506.48 mi (815.10 km) |
| Iserlohn to Comiso | 1,053.61 mi (1,695.63 km) |
| Iserlohn to Como | 390.46 mi (628.39 km) |
| Iserlohn to Concordia Sagittaria | 454.43 mi (731.33 km) |
| Iserlohn to Concorezzo | 407.50 mi (655.81 km) |
| Iserlohn to Conegliano | 434.46 mi (699.19 km) |
| Iserlohn to Conselice | 511.91 mi (823.84 km) |
| Iserlohn to Conselve | 466.51 mi (750.78 km) |
| Iserlohn to Conversano | 848.39 mi (1,365.36 km) |
| Iserlohn to Copertino | 914.47 mi (1,471.69 km) |
| Iserlohn to Copparo | 487.21 mi (784.08 km) |
| Iserlohn to Corato | 819.62 mi (1,319.05 km) |
