| Holbrook to Imola | 4,118.36 mi (6,627.86 km) |
| Holbrook to Impruneta | 4,120.72 mi (6,631.65 km) |
| Holbrook to Induno Olona | 3,945.77 mi (6,350.11 km) |
| Holbrook to Inverigo | 3,965.89 mi (6,382.49 km) |
| Holbrook to Inveruno | 3,956.91 mi (6,368.03 km) |
| Holbrook to Inzago | 3,983.66 mi (6,411.09 km) |
| Holbrook to Iseo | 4,004.15 mi (6,444.06 km) |
| Holbrook to Isernia | 4,324.49 mi (6,959.59 km) |
| Holbrook to Isola Capo Rizzuto | 4,549.92 mi (7,322.38 km) |
| Holbrook to Isola del Liri | 4,292.34 mi (6,907.85 km) |
| Holbrook to Isola della Scala | 4,057.73 mi (6,530.28 km) |
| Holbrook to Isola Vicentina | 4,064.58 mi (6,541.31 km) |
| Holbrook to Ispica | 4,534.30 mi (7,297.25 km) |
| Holbrook to Istrana | 4,090.54 mi (6,583.09 km) |
| Holbrook to Itri | 4,304.82 mi (6,927.94 km) |
