| Olecko to Glyka Nera | 1,110.20 mi (1,786.70 km) |
| Olecko to Grevena | 965.03 mi (1,553.06 km) |
| Olecko to Ialysos | 1,246.87 mi (2,006.65 km) |
| Olecko to Ilion | 1,106.95 mi (1,781.46 km) |
| Olecko to Ilioupoli | 1,113.97 mi (1,792.77 km) |
| Olecko to Ioannina | 995.83 mi (1,602.63 km) |
| Olecko to Irakleio | 1,297.80 mi (2,088.61 km) |
| Olecko to Irakleio | 1,105.96 mi (1,779.88 km) |
| Olecko to Kaisariani | 1,111.58 mi (1,788.92 km) |
| Olecko to Kalamaria | 929.54 mi (1,495.95 km) |
| Olecko to Kalamata | 1,174.42 mi (1,890.05 km) |
| Olecko to Kallithea | 1,112.70 mi (1,790.72 km) |
| Olecko to Kalymnos | 1,196.83 mi (1,926.11 km) |
| Olecko to Kalyvia Thorikou | 1,121.32 mi (1,804.59 km) |
| Olecko to Kamatero | 1,105.16 mi (1,778.58 km) |
