| Grefrath to Argyroupoli | 1,256.55 mi (2,022.23 km) |
| Grefrath to Arta | 1,098.01 mi (1,767.08 km) |
| Grefrath to Artemida | 1,261.07 mi (2,029.50 km) |
| Grefrath to Aspropyrgos | 1,241.89 mi (1,998.63 km) |
| Grefrath to Athens | 1,251.18 mi (2,013.58 km) |
| Grefrath to Chaidari | 1,246.83 mi (2,006.58 km) |
| Grefrath to Chalandri | 1,251.74 mi (2,014.49 km) |
| Grefrath to Chalkida | 1,220.51 mi (1,964.22 km) |
| Grefrath to Chania | 1,399.98 mi (2,253.05 km) |
| Grefrath to Chios | 1,312.21 mi (2,111.79 km) |
| Grefrath to Cholargos | 1,252.66 mi (2,015.97 km) |
| Grefrath to Chrysoupoli | 1,127.51 mi (1,814.55 km) |
| Grefrath to Dafni | 1,253.24 mi (2,016.90 km) |
| Grefrath to Diavata | 1,076.84 mi (1,733.00 km) |
| Grefrath to Didymoteicho | 1,177.11 mi (1,894.37 km) |
