| Rockford to Islahiye | 5,980.10 mi (9,624.04 km) |
| Rockford to Isparta | 5,731.55 mi (9,224.05 km) |
| Rockford to Istanbul | 5,506.04 mi (8,861.12 km) |
| Rockford to Izmir | 5,574.82 mi (8,971.81 km) |
| Rockford to Kadinhani | 5,764.29 mi (9,276.74 km) |
| Rockford to Kadirli | 5,943.35 mi (9,564.89 km) |
| Rockford to Kagithane | 5,503.43 mi (8,856.91 km) |
| Rockford to Kahramanmaras | 5,959.14 mi (9,590.31 km) |
| Rockford to Kahta | 6,002.97 mi (9,660.84 km) |
| Rockford to Kaman | 5,755.86 mi (9,263.17 km) |
| Rockford to Kangal | 5,882.40 mi (9,466.81 km) |
| Rockford to Kapakli | 5,455.27 mi (8,779.42 km) |
| Rockford to Karaagac | 5,988.59 mi (9,637.70 km) |
| Rockford to Karaagac | 5,456.40 mi (8,781.22 km) |
| Rockford to Karabuk | 5,620.71 mi (9,045.66 km) |
