| Osterholz-Scharmbeck to Cologno al Serio | 528.96 mi (851.27 km) |
| Osterholz-Scharmbeck to Cologno Monzese | 531.63 mi (855.57 km) |
| Osterholz-Scharmbeck to Colorno | 576.76 mi (928.20 km) |
| Osterholz-Scharmbeck to Comacchio | 607.96 mi (978.41 km) |
| Osterholz-Scharmbeck to Comiso | 1,158.04 mi (1,863.68 km) |
| Osterholz-Scharmbeck to Como | 511.89 mi (823.81 km) |
| Osterholz-Scharmbeck to Concordia Sagittaria | 545.67 mi (878.17 km) |
| Osterholz-Scharmbeck to Concorezzo | 527.52 mi (848.96 km) |
| Osterholz-Scharmbeck to Conegliano | 529.99 mi (852.94 km) |
| Osterholz-Scharmbeck to Conselice | 616.57 mi (992.27 km) |
| Osterholz-Scharmbeck to Conselve | 568.55 mi (915.00 km) |
| Osterholz-Scharmbeck to Conversano | 930.95 mi (1,498.23 km) |
| Osterholz-Scharmbeck to Copertino | 994.28 mi (1,600.15 km) |
| Osterholz-Scharmbeck to Copparo | 590.67 mi (950.59 km) |
| Osterholz-Scharmbeck to Corato | 905.68 mi (1,457.55 km) |
