| Williamstown to Imola | 4,244.68 mi (6,831.16 km) |
| Williamstown to Impruneta | 4,246.95 mi (6,834.81 km) |
| Williamstown to Induno Olona | 4,072.13 mi (6,553.46 km) |
| Williamstown to Inverigo | 4,092.25 mi (6,585.84 km) |
| Williamstown to Inveruno | 4,083.24 mi (6,571.34 km) |
| Williamstown to Inzago | 4,110.01 mi (6,614.43 km) |
| Williamstown to Iseo | 4,130.52 mi (6,647.44 km) |
| Williamstown to Isernia | 4,450.62 mi (7,162.57 km) |
| Williamstown to Isola Capo Rizzuto | 4,675.85 mi (7,525.05 km) |
| Williamstown to Isola del Liri | 4,418.44 mi (7,110.79 km) |
| Williamstown to Isola della Scala | 4,184.10 mi (6,733.66 km) |
| Williamstown to Isola Vicentina | 4,190.98 mi (6,744.72 km) |
| Williamstown to Ispica | 4,659.47 mi (7,498.70 km) |
| Williamstown to Istrana | 4,216.95 mi (6,786.52 km) |
| Williamstown to Itri | 4,430.85 mi (7,130.77 km) |
