| Ostend to Grevena | 1,173.65 mi (1,888.81 km) |
| Ostend to Ialysos | 1,607.28 mi (2,586.67 km) |
| Ostend to Ilion | 1,360.56 mi (2,189.61 km) |
| Ostend to Ilioupoli | 1,367.56 mi (2,200.87 km) |
| Ostend to Ioannina | 1,174.83 mi (1,890.70 km) |
| Ostend to Irakleio | 1,554.48 mi (2,501.70 km) |
| Ostend to Irakleio | 1,362.09 mi (2,192.07 km) |
| Ostend to Kaisariani | 1,366.03 mi (2,198.42 km) |
| Ostend to Kalamaria | 1,205.02 mi (1,939.30 km) |
| Ostend to Kalamata | 1,358.27 mi (2,185.93 km) |
| Ostend to Kallithea | 1,364.89 mi (2,196.59 km) |
| Ostend to Kalymnos | 1,534.48 mi (2,469.50 km) |
| Ostend to Kalyvia Thorikou | 1,378.74 mi (2,218.87 km) |
| Ostend to Kamatero | 1,359.62 mi (2,188.10 km) |
| Ostend to Karditsa | 1,227.83 mi (1,976.01 km) |
