| Cologne to Cankova | 504.32 mi (811.62 km) |
| Cologne to Celje | 499.36 mi (803.65 km) |
| Cologne to Cerklje na Gorenjskem | 472.21 mi (759.95 km) |
| Cologne to Cerknica | 491.13 mi (790.40 km) |
| Cologne to Cerkno | 462.28 mi (743.97 km) |
| Cologne to Cerkvenjak | 508.25 mi (817.95 km) |
| Cologne to Cirkulane | 520.05 mi (836.94 km) |
| Cologne to Crensovci | 520.78 mi (838.11 km) |
| Cologne to Crna na Koroskem | 473.76 mi (762.45 km) |
| Cologne to Crnomelj | 529.48 mi (852.12 km) |
| Cologne to Destrnik | 509.24 mi (819.54 km) |
| Cologne to Divaca | 485.15 mi (780.78 km) |
| Cologne to Dobje | 508.47 mi (818.31 km) |
| Cologne to Dobrna | 493.18 mi (793.70 km) |
| Cologne to Dobrova | 479.71 mi (772.02 km) |
