| Duluth to Jicin | 4,455.92 mi (7,171.10 km) |
| Duluth to Jihlava | 4,513.21 mi (7,263.31 km) |
| Duluth to Jindrichuv Hradec | 4,506.45 mi (7,252.43 km) |
| Duluth to Jirkov | 4,391.79 mi (7,067.90 km) |
| Duluth to Kadan | 4,391.85 mi (7,068.00 km) |
| Duluth to Karlovy Vary | 4,385.63 mi (7,057.99 km) |
| Duluth to Karvina | 4,584.74 mi (7,378.42 km) |
| Duluth to Kladno | 4,429.32 mi (7,128.31 km) |
| Duluth to Klasterec nad Ohri | 4,388.20 mi (7,062.13 km) |
| Duluth to Klatovy | 4,438.55 mi (7,143.15 km) |
| Duluth to Kolin | 4,470.58 mi (7,194.70 km) |
| Duluth to Koprivnice | 4,584.85 mi (7,378.60 km) |
| Duluth to Kralupy nad Vltavou | 4,431.86 mi (7,132.39 km) |
| Duluth to Kraluv Dvur | 4,436.64 mi (7,140.08 km) |
| Duluth to Krnov | 4,546.75 mi (7,317.29 km) |
