| Leonberg to Kastoria | 828.95 mi (1,334.07 km) |
| Leonberg to Katerini | 885.88 mi (1,425.68 km) |
| Leonberg to Keratsini | 1,044.45 mi (1,680.88 km) |
| Leonberg to Kerkyra | 831.32 mi (1,337.88 km) |
| Leonberg to Kiato | 1,012.46 mi (1,629.40 km) |
| Leonberg to Kifisia | 1,045.24 mi (1,682.15 km) |
| Leonberg to Kilkis | 864.68 mi (1,391.56 km) |
| Leonberg to Komotini | 959.41 mi (1,544.01 km) |
| Leonberg to Korinthos | 1,022.35 mi (1,645.31 km) |
| Leonberg to Koropi | 1,056.93 mi (1,700.96 km) |
| Leonberg to Korydallos | 1,044.72 mi (1,681.32 km) |
| Leonberg to Kos | 1,232.87 mi (1,984.11 km) |
| Leonberg to Kozani | 858.34 mi (1,381.36 km) |
| Leonberg to Lagos | 945.13 mi (1,521.03 km) |
| Leonberg to Lamia | 953.92 mi (1,535.19 km) |
