| Siegen to Kastoria | 957.23 mi (1,540.51 km) |
| Siegen to Katerini | 1,010.74 mi (1,626.63 km) |
| Siegen to Keratsini | 1,173.65 mi (1,888.80 km) |
| Siegen to Kerkyra | 967.21 mi (1,556.58 km) |
| Siegen to Kiato | 1,144.17 mi (1,841.36 km) |
| Siegen to Kifisia | 1,173.47 mi (1,888.52 km) |
| Siegen to Kilkis | 985.04 mi (1,585.28 km) |
| Siegen to Komotini | 1,069.88 mi (1,721.81 km) |
| Siegen to Korinthos | 1,153.71 mi (1,856.72 km) |
| Siegen to Koropi | 1,185.54 mi (1,907.94 km) |
| Siegen to Korydallos | 1,173.77 mi (1,889.00 km) |
| Siegen to Kos | 1,354.61 mi (2,180.04 km) |
| Siegen to Kozani | 985.62 mi (1,586.19 km) |
| Siegen to Lagos | 1,057.18 mi (1,701.36 km) |
| Siegen to Lamia | 1,083.95 mi (1,744.45 km) |
