| Denver to Imola | 5,416.84 mi (8,717.56 km) |
| Denver to Impruneta | 5,433.53 mi (8,744.43 km) |
| Denver to Induno Olona | 5,244.12 mi (8,439.60 km) |
| Denver to Inverigo | 5,263.06 mi (8,470.07 km) |
| Denver to Inveruno | 5,260.56 mi (8,466.05 km) |
| Denver to Inzago | 5,281.92 mi (8,500.43 km) |
| Denver to Iseo | 5,295.70 mi (8,522.61 km) |
| Denver to Isernia | 5,642.42 mi (9,080.59 km) |
| Denver to Isola Capo Rizzuto | 5,878.90 mi (9,461.18 km) |
| Denver to Isola del Liri | 5,615.08 mi (9,036.60 km) |
| Denver to Isola della Scala | 5,347.63 mi (8,606.18 km) |
| Denver to Isola Vicentina | 5,344.91 mi (8,601.80 km) |
| Denver to Ispica | 5,912.30 mi (9,514.93 km) |
| Denver to Istrana | 5,364.54 mi (8,633.40 km) |
| Denver to Itri | 5,633.66 mi (9,066.49 km) |
