| Duluth to Islahiye | 5,836.31 mi (9,392.63 km) |
| Duluth to Isparta | 5,607.11 mi (9,023.77 km) |
| Duluth to Istanbul | 5,375.54 mi (8,651.09 km) |
| Duluth to Izmir | 5,460.03 mi (8,787.08 km) |
| Duluth to Kadinhani | 5,632.35 mi (9,064.38 km) |
| Duluth to Kadirli | 5,800.39 mi (9,334.83 km) |
| Duluth to Kagithane | 5,372.67 mi (8,646.48 km) |
| Duluth to Kahramanmaras | 5,812.52 mi (9,354.35 km) |
| Duluth to Kahta | 5,849.69 mi (9,414.16 km) |
| Duluth to Kaman | 5,614.86 mi (9,036.24 km) |
| Duluth to Kangal | 5,729.04 mi (9,219.99 km) |
| Duluth to Kapakli | 5,326.89 mi (8,572.81 km) |
| Duluth to Karaagac | 5,848.07 mi (9,411.56 km) |
| Duluth to Karaagac | 5,328.19 mi (8,574.90 km) |
| Duluth to Karabuk | 5,477.28 mi (8,814.83 km) |
