| Detmold to Cologno al Serio | 440.62 mi (709.11 km) |
| Detmold to Cologno Monzese | 443.20 mi (713.26 km) |
| Detmold to Colorno | 488.80 mi (786.64 km) |
| Detmold to Comacchio | 522.42 mi (840.75 km) |
| Detmold to Comiso | 1,072.43 mi (1,725.90 km) |
| Detmold to Como | 423.47 mi (681.51 km) |
| Detmold to Concordia Sagittaria | 462.78 mi (744.77 km) |
| Detmold to Concorezzo | 439.09 mi (706.65 km) |
| Detmold to Conegliano | 445.77 mi (717.40 km) |
| Detmold to Conselice | 530.30 mi (853.44 km) |
| Detmold to Conselve | 482.78 mi (776.96 km) |
| Detmold to Conversano | 852.08 mi (1,371.30 km) |
| Detmold to Copertino | 916.56 mi (1,475.06 km) |
| Detmold to Copparo | 504.62 mi (812.10 km) |
| Detmold to Corato | 825.49 mi (1,328.50 km) |
