| Ilmenau to Cologno al Serio | 356.86 mi (574.31 km) |
| Ilmenau to Cologno Monzese | 364.13 mi (586.01 km) |
| Ilmenau to Colorno | 398.10 mi (640.68 km) |
| Ilmenau to Comacchio | 417.59 mi (672.04 km) |
| Ilmenau to Comiso | 966.18 mi (1,554.92 km) |
| Ilmenau to Como | 347.11 mi (558.62 km) |
| Ilmenau to Concordia Sagittaria | 351.14 mi (565.11 km) |
| Ilmenau to Concorezzo | 359.45 mi (578.47 km) |
| Ilmenau to Conegliano | 337.43 mi (543.04 km) |
| Ilmenau to Conselice | 428.22 mi (689.16 km) |
| Ilmenau to Conselve | 379.13 mi (610.16 km) |
| Ilmenau to Conversano | 734.07 mi (1,181.38 km) |
| Ilmenau to Copertino | 797.48 mi (1,283.42 km) |
| Ilmenau to Copparo | 401.87 mi (646.74 km) |
| Ilmenau to Corato | 708.96 mi (1,140.96 km) |
