| Harderwijk to Karditsa | 1,186.05 mi (1,908.76 km) |
| Harderwijk to Kastoria | 1,101.59 mi (1,772.83 km) |
| Harderwijk to Katerini | 1,154.79 mi (1,858.46 km) |
| Harderwijk to Keratsini | 1,318.02 mi (2,121.15 km) |
| Harderwijk to Kerkyra | 1,111.44 mi (1,788.68 km) |
| Harderwijk to Kiato | 1,288.62 mi (2,073.83 km) |
| Harderwijk to Kifisia | 1,317.78 mi (2,120.77 km) |
| Harderwijk to Kilkis | 1,128.48 mi (1,816.12 km) |
| Harderwijk to Komotini | 1,211.03 mi (1,948.97 km) |
| Harderwijk to Korinthos | 1,298.16 mi (2,089.19 km) |
| Harderwijk to Koropi | 1,329.87 mi (2,140.23 km) |
| Harderwijk to Korydallos | 1,318.13 mi (2,121.33 km) |
| Harderwijk to Kos | 1,498.03 mi (2,410.85 km) |
| Harderwijk to Kozani | 1,129.90 mi (1,818.41 km) |
| Harderwijk to Lagos | 1,198.76 mi (1,929.22 km) |
