| Sint-Niklaas to Grevena | 1,128.20 mi (1,815.66 km) |
| Sint-Niklaas to Ialysos | 1,559.96 mi (2,510.51 km) |
| Sint-Niklaas to Ilion | 1,315.16 mi (2,116.55 km) |
| Sint-Niklaas to Ilioupoli | 1,322.20 mi (2,127.88 km) |
| Sint-Niklaas to Ioannina | 1,130.40 mi (1,819.20 km) |
| Sint-Niklaas to Irakleio | 1,510.19 mi (2,430.41 km) |
| Sint-Niklaas to Irakleio | 1,316.62 mi (2,118.89 km) |
| Sint-Niklaas to Kaisariani | 1,320.64 mi (2,125.37 km) |
| Sint-Niklaas to Kalamaria | 1,157.79 mi (1,863.28 km) |
| Sint-Niklaas to Kalamata | 1,315.30 mi (2,116.77 km) |
| Sint-Niklaas to Kallithea | 1,319.57 mi (2,123.64 km) |
| Sint-Niklaas to Kalymnos | 1,487.48 mi (2,393.87 km) |
| Sint-Niklaas to Kalyvia Thorikou | 1,333.34 mi (2,145.80 km) |
| Sint-Niklaas to Kamatero | 1,314.19 mi (2,114.98 km) |
| Sint-Niklaas to Karditsa | 1,182.70 mi (1,903.37 km) |
