| Gronau to Kastoria | 1,051.15 mi (1,691.65 km) |
| Gronau to Katerini | 1,103.07 mi (1,775.22 km) |
| Gronau to Keratsini | 1,267.54 mi (2,039.92 km) |
| Gronau to Kerkyra | 1,064.18 mi (1,712.63 km) |
| Gronau to Kiato | 1,239.19 mi (1,994.28 km) |
| Gronau to Kifisia | 1,266.94 mi (2,038.95 km) |
| Gronau to Kilkis | 1,075.46 mi (1,730.79 km) |
| Gronau to Komotini | 1,155.43 mi (1,859.48 km) |
| Gronau to Korinthos | 1,248.58 mi (2,009.39 km) |
| Gronau to Koropi | 1,279.16 mi (2,058.61 km) |
| Gronau to Korydallos | 1,267.60 mi (2,040.00 km) |
| Gronau to Kos | 1,444.81 mi (2,325.20 km) |
| Gronau to Kozani | 1,079.05 mi (1,736.56 km) |
| Gronau to Lagos | 1,143.52 mi (1,840.32 km) |
| Gronau to Lamia | 1,178.36 mi (1,896.38 km) |
