| Illingen to Cologno al Serio | 289.73 mi (466.27 km) |
| Illingen to Cologno Monzese | 285.44 mi (459.37 km) |
| Illingen to Colorno | 344.49 mi (554.41 km) |
| Illingen to Comacchio | 403.24 mi (648.95 km) |
| Illingen to Comiso | 937.91 mi (1,509.42 km) |
| Illingen to Como | 263.96 mi (424.80 km) |
| Illingen to Concordia Sagittaria | 367.55 mi (591.52 km) |
| Illingen to Concorezzo | 282.49 mi (454.63 km) |
| Illingen to Conegliano | 343.02 mi (552.04 km) |
| Illingen to Conselice | 404.28 mi (650.63 km) |
| Illingen to Conselve | 364.28 mi (586.26 km) |
| Illingen to Conversano | 758.87 mi (1,221.29 km) |
| Illingen to Copertino | 826.91 mi (1,330.79 km) |
| Illingen to Copparo | 382.12 mi (614.97 km) |
| Illingen to Corato | 726.66 mi (1,169.45 km) |
