| Sint-Pieters-Leeuw to Grevena | 1,108.66 mi (1,784.21 km) |
| Sint-Pieters-Leeuw to Ialysos | 1,541.91 mi (2,481.47 km) |
| Sint-Pieters-Leeuw to Ilion | 1,295.59 mi (2,085.05 km) |
| Sint-Pieters-Leeuw to Ilioupoli | 1,302.60 mi (2,096.33 km) |
| Sint-Pieters-Leeuw to Ioannina | 1,110.16 mi (1,786.63 km) |
| Sint-Pieters-Leeuw to Irakleio | 1,489.88 mi (2,397.73 km) |
| Sint-Pieters-Leeuw to Irakleio | 1,297.10 mi (2,087.48 km) |
| Sint-Pieters-Leeuw to Kaisariani | 1,301.06 mi (2,093.86 km) |
| Sint-Pieters-Leeuw to Kalamaria | 1,139.65 mi (1,834.10 km) |
| Sint-Pieters-Leeuw to Kalamata | 1,294.19 mi (2,082.80 km) |
| Sint-Pieters-Leeuw to Kallithea | 1,299.94 mi (2,092.06 km) |
| Sint-Pieters-Leeuw to Kalymnos | 1,469.15 mi (2,364.36 km) |
| Sint-Pieters-Leeuw to Kalyvia Thorikou | 1,313.77 mi (2,114.30 km) |
| Sint-Pieters-Leeuw to Kamatero | 1,294.64 mi (2,083.52 km) |
| Sint-Pieters-Leeuw to Karditsa | 1,162.93 mi (1,871.56 km) |
