| Duluth to Keizer (Oregon) | 1,480.77 mi (2,383.07 km) |
| Duluth to Keller (Texas) | 993.16 mi (1,598.33 km) |
| Duluth to Kelso (Washington) | 1,455.25 mi (2,341.99 km) |
| Duluth to Kemp Mill (Maryland) | 930.66 mi (1,497.75 km) |
| Duluth to Ken Caryl (Colorado) | 819.69 mi (1,319.16 km) |
| Duluth to Kendale Lakes (Florida) | 1,591.55 mi (2,561.35 km) |
| Duluth to Kendall (Florida) | 1,595.18 mi (2,567.20 km) |
| Duluth to Kendall Park (New Jersey) | 980.27 mi (1,577.58 km) |
| Duluth to Kendall West (Florida) | 1,590.96 mi (2,560.41 km) |
| Duluth to Kenmore (New York) | 699.91 mi (1,126.40 km) |
| Duluth to Kenmore (Washington) | 1,404.48 mi (2,260.29 km) |
| Duluth to Kenner (Louisiana) | 1,162.72 mi (1,871.22 km) |
| Duluth to Kennesaw (Georgia) | 964.61 mi (1,552.40 km) |
| Duluth to Kennett (Missouri) | 735.84 mi (1,184.22 km) |
| Duluth to Kennewick (Washington) | 1,280.33 mi (2,060.50 km) |
