| Opglabbeek to Grevena | 1,073.31 mi (1,727.33 km) |
| Opglabbeek to Ialysos | 1,502.57 mi (2,418.16 km) |
| Opglabbeek to Ilion | 1,260.22 mi (2,028.12 km) |
| Opglabbeek to Ilioupoli | 1,267.32 mi (2,039.55 km) |
| Opglabbeek to Ioannina | 1,076.78 mi (1,732.91 km) |
| Opglabbeek to Irakleio | 1,456.48 mi (2,343.98 km) |
| Opglabbeek to Irakleio | 1,261.59 mi (2,030.33 km) |
| Opglabbeek to Kaisariani | 1,265.71 mi (2,036.96 km) |
| Opglabbeek to Kalamaria | 1,100.67 mi (1,771.36 km) |
| Opglabbeek to Kalamata | 1,263.34 mi (2,033.14 km) |
| Opglabbeek to Kallithea | 1,264.72 mi (2,035.36 km) |
| Opglabbeek to Kalymnos | 1,430.52 mi (2,302.20 km) |
| Opglabbeek to Kalyvia Thorikou | 1,278.38 mi (2,057.36 km) |
| Opglabbeek to Kamatero | 1,259.20 mi (2,026.49 km) |
| Opglabbeek to Karditsa | 1,128.16 mi (1,815.60 km) |
