| Wattrelos to Grevena | 1,142.87 mi (1,839.28 km) |
| Wattrelos to Ialysos | 1,578.17 mi (2,539.82 km) |
| Wattrelos to Ilion | 1,329.67 mi (2,139.89 km) |
| Wattrelos to Ilioupoli | 1,336.61 mi (2,151.07 km) |
| Wattrelos to Ioannina | 1,143.21 mi (1,839.82 km) |
| Wattrelos to Irakleio | 1,522.64 mi (2,450.45 km) |
| Wattrelos to Irakleio | 1,331.26 mi (2,142.45 km) |
| Wattrelos to Kaisariani | 1,335.12 mi (2,148.67 km) |
| Wattrelos to Kalamaria | 1,175.95 mi (1,892.50 km) |
| Wattrelos to Kalamata | 1,325.54 mi (2,133.26 km) |
| Wattrelos to Kallithea | 1,333.93 mi (2,146.75 km) |
| Wattrelos to Kalymnos | 1,505.02 mi (2,422.10 km) |
| Wattrelos to Kalyvia Thorikou | 1,347.83 mi (2,169.13 km) |
| Wattrelos to Kamatero | 1,328.76 mi (2,138.42 km) |
| Wattrelos to Karditsa | 1,196.76 mi (1,926.00 km) |
