| Detmold to Civita Castellana | 686.29 mi (1,104.47 km) |
| Detmold to Civitanova Marche | 637.77 mi (1,026.39 km) |
| Detmold to Civitavecchia | 693.32 mi (1,115.79 km) |
| Detmold to Civitella in Val di Chiana | 603.20 mi (970.76 km) |
| Detmold to Clusone | 421.11 mi (677.71 km) |
| Detmold to Coccaglio | 443.24 mi (713.32 km) |
| Detmold to Codigoro | 512.67 mi (825.06 km) |
| Detmold to Codogno | 469.80 mi (756.07 km) |
| Detmold to Codroipo | 452.58 mi (728.35 km) |
| Detmold to Cogoleto | 521.66 mi (839.53 km) |
| Detmold to Colle di Val d'Elsa | 599.04 mi (964.07 km) |
| Detmold to Colle Salvetti | 580.82 mi (934.74 km) |
| Detmold to Collecchio | 500.37 mi (805.26 km) |
| Detmold to Colleferro | 731.32 mi (1,176.95 km) |
| Detmold to Collegno | 477.76 mi (768.88 km) |
