| Grefrath to Cankova | 541.47 mi (871.41 km) |
| Grefrath to Celje | 537.22 mi (864.58 km) |
| Grefrath to Cerklje na Gorenjskem | 510.32 mi (821.28 km) |
| Grefrath to Cerknica | 529.39 mi (851.98 km) |
| Grefrath to Cerkno | 500.54 mi (805.53 km) |
| Grefrath to Cerkvenjak | 545.58 mi (878.03 km) |
| Grefrath to Cirkulane | 557.53 mi (897.26 km) |
| Grefrath to Crensovci | 557.92 mi (897.88 km) |
| Grefrath to Crna na Koroskem | 511.65 mi (823.42 km) |
| Grefrath to Crnomelj | 567.64 mi (913.53 km) |
| Grefrath to Destrnik | 546.66 mi (879.77 km) |
| Grefrath to Divaca | 523.46 mi (842.42 km) |
| Grefrath to Dobje | 546.34 mi (879.26 km) |
| Grefrath to Dobrna | 531.00 mi (854.56 km) |
| Grefrath to Dobrova | 517.90 mi (833.48 km) |
