| Leonberg to Grevena | 856.84 mi (1,378.96 km) |
| Leonberg to Ialysos | 1,289.23 mi (2,074.81 km) |
| Leonberg to Ilion | 1,043.81 mi (1,679.84 km) |
| Leonberg to Ilioupoli | 1,050.86 mi (1,691.19 km) |
| Leonberg to Ioannina | 859.50 mi (1,383.24 km) |
| Leonberg to Irakleio | 1,239.28 mi (1,994.43 km) |
| Leonberg to Irakleio | 1,045.25 mi (1,682.17 km) |
| Leonberg to Kaisariani | 1,049.29 mi (1,688.67 km) |
| Leonberg to Kalamaria | 886.97 mi (1,427.44 km) |
| Leonberg to Kalamata | 1,045.65 mi (1,682.81 km) |
| Leonberg to Kallithea | 1,048.23 mi (1,686.97 km) |
| Leonberg to Kalymnos | 1,216.49 mi (1,957.74 km) |
| Leonberg to Kalyvia Thorikou | 1,061.98 mi (1,709.10 km) |
| Leonberg to Kamatero | 1,042.83 mi (1,678.27 km) |
| Leonberg to Karditsa | 911.43 mi (1,466.80 km) |
