| Gurnee to Imola | 4,664.42 mi (7,506.66 km) |
| Gurnee to Impruneta | 4,674.69 mi (7,523.18 km) |
| Gurnee to Induno Olona | 4,489.97 mi (7,225.91 km) |
| Gurnee to Inverigo | 4,509.65 mi (7,257.58 km) |
| Gurnee to Inveruno | 4,504.16 mi (7,248.75 km) |
| Gurnee to Inzago | 4,528.21 mi (7,287.45 km) |
| Gurnee to Iseo | 4,545.21 mi (7,314.81 km) |
| Gurnee to Isernia | 4,883.22 mi (7,858.78 km) |
| Gurnee to Isola Capo Rizzuto | 5,116.71 mi (8,234.54 km) |
| Gurnee to Isola del Liri | 4,853.40 mi (7,810.80 km) |
| Gurnee to Isola della Scala | 4,598.45 mi (7,400.48 km) |
| Gurnee to Isola Vicentina | 4,600.11 mi (7,403.16 km) |
| Gurnee to Ispica | 5,127.66 mi (8,252.17 km) |
| Gurnee to Istrana | 4,622.88 mi (7,439.81 km) |
| Gurnee to Itri | 4,869.34 mi (7,836.44 km) |
