| Oud-Heverlee to Grevena | 1,095.89 mi (1,763.66 km) |
| Oud-Heverlee to Ialysos | 1,528.14 mi (2,459.31 km) |
| Oud-Heverlee to Ilion | 1,282.85 mi (2,064.54 km) |
| Oud-Heverlee to Ilioupoli | 1,289.88 mi (2,075.86 km) |
| Oud-Heverlee to Ioannina | 1,097.92 mi (1,766.93 km) |
| Oud-Heverlee to Irakleio | 1,477.70 mi (2,378.13 km) |
| Oud-Heverlee to Irakleio | 1,284.32 mi (2,066.91 km) |
| Oud-Heverlee to Kaisariani | 1,288.33 mi (2,073.36 km) |
| Oud-Heverlee to Kalamaria | 1,125.93 mi (1,812.01 km) |
| Oud-Heverlee to Kalamata | 1,282.68 mi (2,064.27 km) |
| Oud-Heverlee to Kallithea | 1,287.24 mi (2,071.62 km) |
| Oud-Heverlee to Kalymnos | 1,455.56 mi (2,342.50 km) |
| Oud-Heverlee to Kalyvia Thorikou | 1,301.03 mi (2,093.80 km) |
| Oud-Heverlee to Kamatero | 1,281.88 mi (2,062.99 km) |
| Oud-Heverlee to Karditsa | 1,150.33 mi (1,851.28 km) |
