| Ostrov to Grevena | 817.03 mi (1,314.88 km) |
| Ostrov to Ialysos | 1,221.73 mi (1,966.18 km) |
| Ostrov to Ilion | 999.43 mi (1,608.43 km) |
| Ostrov to Ilioupoli | 1,006.80 mi (1,620.29 km) |
| Ostrov to Ioannina | 829.69 mi (1,335.26 km) |
| Ostrov to Irakleio | 1,201.12 mi (1,933.02 km) |
| Ostrov to Irakleio | 1,000.15 mi (1,609.59 km) |
| Ostrov to Kaisariani | 1,004.89 mi (1,617.22 km) |
| Ostrov to Kalamaria | 827.14 mi (1,331.15 km) |
| Ostrov to Kalamata | 1,023.13 mi (1,646.57 km) |
| Ostrov to Kallithea | 1,004.49 mi (1,616.57 km) |
| Ostrov to Kalymnos | 1,153.31 mi (1,856.07 km) |
| Ostrov to Kalyvia Thorikou | 1,017.21 mi (1,637.05 km) |
| Ostrov to Kamatero | 998.14 mi (1,606.35 km) |
| Ostrov to Karditsa | 873.06 mi (1,405.05 km) |
