| Williamstown to Glyka Nera | 5,012.09 mi (8,066.18 km) |
| Williamstown to Grevena | 4,821.79 mi (7,759.92 km) |
| Williamstown to Ialysos | 5,265.26 mi (8,473.61 km) |
| Williamstown to Ilion | 5,003.92 mi (8,053.03 km) |
| Williamstown to Ilioupoli | 5,010.26 mi (8,063.23 km) |
| Williamstown to Ioannina | 4,813.75 mi (7,746.98 km) |
| Williamstown to Irakleio | 5,180.60 mi (8,337.36 km) |
| Williamstown to Irakleio | 5,006.12 mi (8,056.57 km) |
| Williamstown to Kaisariani | 5,009.16 mi (8,061.47 km) |
| Williamstown to Kalamaria | 4,866.80 mi (7,832.35 km) |
| Williamstown to Kalamata | 4,975.46 mi (8,007.23 km) |
| Williamstown to Kallithea | 5,007.39 mi (8,058.62 km) |
| Williamstown to Kalymnos | 5,190.21 mi (8,352.83 km) |
| Williamstown to Kalyvia Thorikou | 5,021.68 mi (8,081.61 km) |
| Williamstown to Kamatero | 5,003.34 mi (8,052.10 km) |
