| Oud-Heverlee to Kastoria | 1,068.10 mi (1,718.94 km) |
| Oud-Heverlee to Katerini | 1,125.07 mi (1,810.63 km) |
| Oud-Heverlee to Keratsini | 1,283.44 mi (2,065.49 km) |
| Oud-Heverlee to Kerkyra | 1,068.69 mi (1,719.89 km) |
| Oud-Heverlee to Kiato | 1,251.01 mi (2,013.31 km) |
| Oud-Heverlee to Kifisia | 1,284.33 mi (2,066.94 km) |
| Oud-Heverlee to Kilkis | 1,103.41 mi (1,775.76 km) |
| Oud-Heverlee to Komotini | 1,195.67 mi (1,924.25 km) |
| Oud-Heverlee to Korinthos | 1,260.97 mi (2,029.33 km) |
| Oud-Heverlee to Koropi | 1,295.98 mi (2,085.67 km) |
| Oud-Heverlee to Korydallos | 1,283.73 mi (2,065.96 km) |
| Oud-Heverlee to Kos | 1,471.92 mi (2,368.82 km) |
| Oud-Heverlee to Kozani | 1,097.53 mi (1,766.31 km) |
| Oud-Heverlee to Lagos | 1,181.90 mi (1,902.09 km) |
| Oud-Heverlee to Lamia | 1,192.83 mi (1,919.68 km) |
