| Leiria to Glyka Nera | 1,750.75 mi (2,817.56 km) |
| Leiria to Grevena | 1,594.23 mi (2,565.66 km) |
| Leiria to Ialysos | 2,008.37 mi (3,232.16 km) |
| Leiria to Ilion | 1,742.22 mi (2,803.83 km) |
| Leiria to Ilioupoli | 1,746.56 mi (2,810.82 km) |
| Leiria to Ioannina | 1,568.89 mi (2,524.89 km) |
| Leiria to Irakleio | 1,872.38 mi (3,013.30 km) |
| Leiria to Irakleio | 1,745.46 mi (2,809.04 km) |
| Leiria to Kaisariani | 1,746.40 mi (2,810.56 km) |
| Leiria to Kalamaria | 1,668.25 mi (2,684.79 km) |
| Leiria to Kalamata | 1,676.01 mi (2,697.28 km) |
| Leiria to Kallithea | 1,743.64 mi (2,806.11 km) |
| Leiria to Kalymnos | 1,934.95 mi (3,114.00 km) |
| Leiria to Kalyvia Thorikou | 1,757.09 mi (2,827.76 km) |
| Leiria to Kamatero | 1,742.41 mi (2,804.13 km) |
