| Northeim to Kastoria | 940.49 mi (1,513.58 km) |
| Northeim to Katerini | 989.46 mi (1,592.39 km) |
| Northeim to Keratsini | 1,156.18 mi (1,860.69 km) |
| Northeim to Kerkyra | 960.51 mi (1,545.79 km) |
| Northeim to Kiato | 1,130.13 mi (1,818.77 km) |
| Northeim to Kifisia | 1,154.81 mi (1,858.48 km) |
| Northeim to Kilkis | 959.14 mi (1,543.59 km) |
| Northeim to Komotini | 1,033.52 mi (1,663.30 km) |
| Northeim to Korinthos | 1,139.17 mi (1,833.31 km) |
| Northeim to Koropi | 1,167.26 mi (1,878.53 km) |
| Northeim to Korydallos | 1,156.11 mi (1,860.58 km) |
| Northeim to Kos | 1,327.38 mi (2,136.21 km) |
| Northeim to Kozani | 967.39 mi (1,556.87 km) |
| Northeim to Lagos | 1,022.38 mi (1,645.36 km) |
| Northeim to Lamia | 1,068.21 mi (1,719.12 km) |
