| Busko-Zdroj to Kinston (North Carolina) | 4,716.77 mi (7,590.91 km) |
| Busko-Zdroj to Kirkland (Washington) | 5,305.28 mi (8,538.02 km) |
| Busko-Zdroj to Kirksville (Missouri) | 4,989.13 mi (8,029.23 km) |
| Busko-Zdroj to Kirkwood (Missouri) | 5,005.92 mi (8,056.25 km) |
| Busko-Zdroj to Kiryas Joel (New York) | 4,286.96 mi (6,899.20 km) |
| Busko-Zdroj to Kissimmee (Florida) | 5,226.70 mi (8,411.57 km) |
| Busko-Zdroj to Klamath Falls (Oregon) | 5,645.08 mi (9,084.87 km) |
| Busko-Zdroj to Knightdale (North Carolina) | 4,724.87 mi (7,603.94 km) |
| Busko-Zdroj to Knik-Fairview (Alaska) | 4,681.69 mi (7,534.45 km) |
| Busko-Zdroj to Knoxville (Tennessee) | 4,918.20 mi (7,915.08 km) |
| Busko-Zdroj to Kokomo (Indiana) | 4,759.71 mi (7,660.01 km) |
| Busko-Zdroj to Kuna (Idaho) | 5,451.84 mi (8,773.89 km) |
| Busko-Zdroj to Kyle (Texas) | 5,735.67 mi (9,230.68 km) |
| Busko-Zdroj to La Cañada Flintridge (California) | 6,072.52 mi (9,772.78 km) |
| Busko-Zdroj to La Crescenta-Montrose (California) | 6,071.95 mi (9,771.85 km) |
