| Mason City to Imola | 4,828.92 mi (7,771.39 km) |
| Mason City to Impruneta | 4,842.13 mi (7,792.65 km) |
| Mason City to Induno Olona | 4,654.88 mi (7,491.31 km) |
| Mason City to Inverigo | 4,674.26 mi (7,522.50 km) |
| Mason City to Inveruno | 4,670.13 mi (7,515.85 km) |
| Mason City to Inzago | 4,693.00 mi (7,552.65 km) |
| Mason City to Iseo | 4,708.58 mi (7,577.72 km) |
| Mason City to Isernia | 5,051.23 mi (8,129.17 km) |
| Mason City to Isola Capo Rizzuto | 5,286.53 mi (8,507.84 km) |
| Mason City to Isola del Liri | 5,022.49 mi (8,082.91 km) |
| Mason City to Isola della Scala | 4,761.34 mi (7,662.63 km) |
| Mason City to Isola Vicentina | 4,761.03 mi (7,662.14 km) |
| Mason City to Ispica | 5,307.89 mi (8,542.23 km) |
| Mason City to Istrana | 4,782.45 mi (7,696.61 km) |
| Mason City to Itri | 5,039.66 mi (8,110.55 km) |
