| Northampton to Imola | 793.03 mi (1,276.26 km) |
| Northampton to Impruneta | 813.07 mi (1,308.51 km) |
| Northampton to Induno Olona | 622.23 mi (1,001.39 km) |
| Northampton to Inverigo | 640.53 mi (1,030.84 km) |
| Northampton to Inveruno | 640.21 mi (1,030.32 km) |
| Northampton to Inzago | 659.42 mi (1,061.23 km) |
| Northampton to Iseo | 671.72 mi (1,081.03 km) |
| Northampton to Isernia | 1,020.41 mi (1,642.19 km) |
| Northampton to Isola Capo Rizzuto | 1,257.02 mi (2,022.97 km) |
| Northampton to Isola del Liri | 994.87 mi (1,601.08 km) |
| Northampton to Isola della Scala | 723.24 mi (1,163.95 km) |
| Northampton to Isola Vicentina | 720.62 mi (1,159.73 km) |
| Northampton to Ispica | 1,314.73 mi (2,115.85 km) |
| Northampton to Istrana | 741.23 mi (1,192.90 km) |
| Northampton to Itri | 1,015.34 mi (1,634.03 km) |
