| Westerlo to Grevena | 1,097.52 mi (1,766.29 km) |
| Westerlo to Ialysos | 1,528.09 mi (2,459.23 km) |
| Westerlo to Ilion | 1,284.47 mi (2,067.15 km) |
| Westerlo to Ilioupoli | 1,291.54 mi (2,078.53 km) |
| Westerlo to Ioannina | 1,100.34 mi (1,770.83 km) |
| Westerlo to Irakleio | 1,480.12 mi (2,382.02 km) |
| Westerlo to Irakleio | 1,285.88 mi (2,069.43 km) |
| Westerlo to Kaisariani | 1,289.95 mi (2,075.98 km) |
| Westerlo to Kalamaria | 1,126.03 mi (1,812.17 km) |
| Westerlo to Kalamata | 1,286.08 mi (2,069.74 km) |
| Westerlo to Kallithea | 1,288.92 mi (2,074.32 km) |
| Westerlo to Kalymnos | 1,455.82 mi (2,342.91 km) |
| Westerlo to Kalyvia Thorikou | 1,302.64 mi (2,096.40 km) |
| Westerlo to Kamatero | 1,283.47 mi (2,065.55 km) |
| Westerlo to Karditsa | 1,152.19 mi (1,854.28 km) |
