| Tucson to Imola | 6,036.43 mi (9,714.69 km) |
| Tucson to Impruneta | 6,052.21 mi (9,740.10 km) |
| Tucson to Induno Olona | 5,863.29 mi (9,436.06 km) |
| Tucson to Inverigo | 5,882.35 mi (9,466.73 km) |
| Tucson to Inveruno | 5,879.42 mi (9,462.02 km) |
| Tucson to Inzago | 5,901.19 mi (9,497.05 km) |
| Tucson to Iseo | 5,915.42 mi (9,519.95 km) |
| Tucson to Isernia | 6,261.26 mi (10,076.52 km) |
| Tucson to Isola Capo Rizzuto | 6,497.52 mi (10,456.74 km) |
| Tucson to Isola del Liri | 6,233.51 mi (10,031.87 km) |
| Tucson to Isola della Scala | 5,967.57 mi (9,603.87 km) |
| Tucson to Isola Vicentina | 5,965.37 mi (9,600.34 km) |
| Tucson to Ispica | 6,526.54 mi (10,503.44 km) |
| Tucson to Istrana | 5,985.37 mi (9,632.52 km) |
| Tucson to Itri | 6,251.67 mi (10,061.10 km) |
