| Nieder-Olm to Cologno al Serio | 306.80 mi (493.75 km) |
| Nieder-Olm to Cologno Monzese | 306.70 mi (493.59 km) |
| Nieder-Olm to Colorno | 358.49 mi (576.94 km) |
| Nieder-Olm to Comacchio | 405.17 mi (652.06 km) |
| Nieder-Olm to Comiso | 950.25 mi (1,529.28 km) |
| Nieder-Olm to Como | 286.08 mi (460.41 km) |
| Nieder-Olm to Concordia Sagittaria | 358.09 mi (576.29 km) |
| Nieder-Olm to Concorezzo | 302.98 mi (487.61 km) |
| Nieder-Olm to Conegliano | 336.31 mi (541.24 km) |
| Nieder-Olm to Conselice | 409.52 mi (659.06 km) |
| Nieder-Olm to Conselve | 365.28 mi (587.86 km) |
| Nieder-Olm to Conversano | 752.80 mi (1,211.51 km) |
| Nieder-Olm to Copertino | 819.79 mi (1,319.32 km) |
| Nieder-Olm to Copparo | 385.33 mi (620.13 km) |
| Nieder-Olm to Corato | 722.65 mi (1,162.99 km) |
