| Frederick to Imola | 4,359.76 mi (7,016.35 km) |
| Frederick to Impruneta | 4,362.93 mi (7,021.46 km) |
| Frederick to Induno Olona | 4,186.77 mi (6,737.95 km) |
| Frederick to Inverigo | 4,206.86 mi (6,770.29 km) |
| Frederick to Inveruno | 4,198.25 mi (6,756.43 km) |
| Frederick to Inzago | 4,224.74 mi (6,799.07 km) |
| Frederick to Iseo | 4,244.87 mi (6,831.46 km) |
| Frederick to Isernia | 4,567.37 mi (7,350.48 km) |
| Frederick to Isola Capo Rizzuto | 4,793.74 mi (7,714.78 km) |
| Frederick to Isola del Liri | 4,535.42 mi (7,299.05 km) |
| Frederick to Isola della Scala | 4,298.48 mi (6,917.73 km) |
| Frederick to Isola Vicentina | 4,304.76 mi (6,927.84 km) |
| Frederick to Ispica | 4,780.16 mi (7,692.93 km) |
| Frederick to Istrana | 4,330.39 mi (6,969.09 km) |
| Frederick to Itri | 4,548.23 mi (7,319.67 km) |
