| Willoughby to Imola | 4,434.85 mi (7,137.21 km) |
| Willoughby to Impruneta | 4,441.62 mi (7,148.10 km) |
| Willoughby to Induno Olona | 4,260.69 mi (6,856.93 km) |
| Willoughby to Inverigo | 4,280.63 mi (6,889.01 km) |
| Willoughby to Inveruno | 4,273.58 mi (6,877.65 km) |
| Willoughby to Inzago | 4,298.90 mi (6,918.41 km) |
| Willoughby to Iseo | 4,317.50 mi (6,948.35 km) |
| Willoughby to Isernia | 4,648.61 mi (7,481.21 km) |
| Willoughby to Isola Capo Rizzuto | 4,879.08 mi (7,852.12 km) |
| Willoughby to Isola del Liri | 4,617.67 mi (7,431.42 km) |
| Willoughby to Isola della Scala | 4,371.05 mi (7,034.53 km) |
| Willoughby to Isola Vicentina | 4,375.03 mi (7,040.93 km) |
| Willoughby to Ispica | 4,878.04 mi (7,850.44 km) |
| Willoughby to Istrana | 4,399.29 mi (7,079.98 km) |
| Willoughby to Itri | 4,632.09 mi (7,454.63 km) |
