| Os to Glyka Nera | 1,733.11 mi (2,789.16 km) |
| Os to Grevena | 1,551.14 mi (2,496.32 km) |
| Os to Ialysos | 1,925.69 mi (3,099.10 km) |
| Os to Ilion | 1,727.46 mi (2,780.08 km) |
| Os to Ilioupoli | 1,734.89 mi (2,792.03 km) |
| Os to Ioannina | 1,567.77 mi (2,523.08 km) |
| Os to Irakleio | 1,929.67 mi (3,105.51 km) |
| Os to Irakleio | 1,727.72 mi (2,780.50 km) |
| Os to Kaisariani | 1,732.80 mi (2,788.68 km) |
| Os to Kalamaria | 1,549.22 mi (2,493.23 km) |
| Os to Kalamata | 1,761.56 mi (2,834.95 km) |
| Os to Kallithea | 1,732.81 mi (2,788.70 km) |
| Os to Kalymnos | 1,863.31 mi (2,998.71 km) |
| Os to Kalyvia Thorikou | 1,744.65 mi (2,807.75 km) |
| Os to Kamatero | 1,726.00 mi (2,777.74 km) |
