| Diamond Bar to Imola | 6,164.57 mi (9,920.92 km) |
| Diamond Bar to Impruneta | 6,185.26 mi (9,954.21 km) |
| Diamond Bar to Induno Olona | 5,994.51 mi (9,647.22 km) |
| Diamond Bar to Inverigo | 6,012.80 mi (9,676.67 km) |
| Diamond Bar to Inveruno | 6,012.22 mi (9,675.73 km) |
| Diamond Bar to Inzago | 6,031.69 mi (9,707.06 km) |
| Diamond Bar to Iseo | 6,043.30 mi (9,725.75 km) |
| Diamond Bar to Isernia | 6,392.59 mi (10,287.88 km) |
| Diamond Bar to Isola Capo Rizzuto | 6,629.06 mi (10,668.45 km) |
| Diamond Bar to Isola del Liri | 6,367.11 mi (10,246.87 km) |
| Diamond Bar to Isola della Scala | 6,093.91 mi (9,807.20 km) |
| Diamond Bar to Isola Vicentina | 6,088.38 mi (9,798.30 km) |
| Diamond Bar to Ispica | 6,677.03 mi (10,745.64 km) |
| Diamond Bar to Istrana | 6,105.79 mi (9,826.32 km) |
| Diamond Bar to Itri | 6,387.25 mi (10,279.29 km) |
