| Duluth to Krosno Odrzanskie | 4,372.36 mi (7,036.63 km) |
| Duluth to Krotoszyn | 4,461.08 mi (7,179.42 km) |
| Duluth to Kruszwica | 4,440.04 mi (7,145.56 km) |
| Duluth to Krynica | 4,681.35 mi (7,533.91 km) |
| Duluth to Krzeszowice | 4,604.61 mi (7,410.40 km) |
| Duluth to Kudowa-Zdroj | 4,484.00 mi (7,216.29 km) |
| Duluth to Kutno | 4,492.62 mi (7,230.18 km) |
| Duluth to Kwidzyn | 4,406.44 mi (7,091.48 km) |
| Duluth to Lancut | 4,686.70 mi (7,542.52 km) |
| Duluth to Lapy | 4,557.20 mi (7,334.10 km) |
| Duluth to Lask | 4,517.25 mi (7,269.82 km) |
| Duluth to Laziska Gorne | 4,579.65 mi (7,370.24 km) |
| Duluth to Lebork | 4,332.98 mi (6,973.26 km) |
| Duluth to Leczna | 4,642.87 mi (7,471.97 km) |
| Duluth to Leczyca | 4,496.66 mi (7,236.67 km) |
