| Sonneberg to Kastoria | 835.87 mi (1,345.21 km) |
| Sonneberg to Katerini | 885.99 mi (1,425.86 km) |
| Sonneberg to Keratsini | 1,051.90 mi (1,692.86 km) |
| Sonneberg to Kerkyra | 854.37 mi (1,374.97 km) |
| Sonneberg to Kiato | 1,025.12 mi (1,649.77 km) |
| Sonneberg to Kifisia | 1,050.81 mi (1,691.11 km) |
| Sonneberg to Kilkis | 857.01 mi (1,379.22 km) |
| Sonneberg to Komotini | 935.62 mi (1,505.73 km) |
| Sonneberg to Korinthos | 1,034.26 mi (1,664.48 km) |
| Sonneberg to Koropi | 1,063.18 mi (1,711.02 km) |
| Sonneberg to Korydallos | 1,051.87 mi (1,692.82 km) |
| Sonneberg to Kos | 1,226.02 mi (1,973.08 km) |
| Sonneberg to Kozani | 863.13 mi (1,389.07 km) |
| Sonneberg to Lagos | 923.75 mi (1,486.63 km) |
| Sonneberg to Lamia | 963.49 mi (1,550.59 km) |
