| Onex to Glyka Nera | 1,068.03 mi (1,718.83 km) |
| Onex to Grevena | 878.11 mi (1,413.19 km) |
| Onex to Ialysos | 1,322.03 mi (2,127.60 km) |
| Onex to Ilion | 1,059.88 mi (1,705.72 km) |
| Onex to Ilioupoli | 1,066.27 mi (1,715.99 km) |
| Onex to Ioannina | 869.72 mi (1,399.68 km) |
| Onex to Irakleio | 1,240.99 mi (1,997.18 km) |
| Onex to Irakleio | 1,062.05 mi (1,709.21 km) |
| Onex to Kaisariani | 1,065.14 mi (1,714.18 km) |
| Onex to Kalamaria | 927.96 mi (1,493.40 km) |
| Onex to Kalamata | 1,037.57 mi (1,669.81 km) |
| Onex to Kallithea | 1,063.41 mi (1,711.39 km) |
| Onex to Kalymnos | 1,246.69 mi (2,006.36 km) |
| Onex to Kalyvia Thorikou | 1,077.69 mi (1,734.37 km) |
| Onex to Kamatero | 1,059.28 mi (1,704.75 km) |
