| Grinon to Imola | 843.76 mi (1,357.91 km) |
| Grinon to Impruneta | 810.72 mi (1,304.72 km) |
| Grinon to Induno Olona | 748.22 mi (1,204.15 km) |
| Grinon to Inverigo | 761.26 mi (1,225.13 km) |
| Grinon to Inveruno | 738.84 mi (1,189.05 km) |
| Grinon to Inzago | 767.20 mi (1,234.70 km) |
| Grinon to Iseo | 795.94 mi (1,280.94 km) |
| Grinon to Isernia | 947.67 mi (1,525.13 km) |
| Grinon to Isola Capo Rizzuto | 1,116.06 mi (1,796.13 km) |
| Grinon to Isola del Liri | 913.25 mi (1,469.74 km) |
| Grinon to Isola della Scala | 829.28 mi (1,334.59 km) |
| Grinon to Isola Vicentina | 857.90 mi (1,380.66 km) |
| Grinon to Ispica | 1,039.11 mi (1,672.28 km) |
| Grinon to Istrana | 888.59 mi (1,430.04 km) |
| Grinon to Itri | 911.34 mi (1,466.65 km) |
