| Duchcov to Kinston (North Carolina) | 4,440.51 mi (7,146.31 km) |
| Duchcov to Kirkland (Washington) | 5,158.66 mi (8,302.06 km) |
| Duchcov to Kirksville (Missouri) | 4,749.71 mi (7,643.92 km) |
| Duchcov to Kirkwood (Missouri) | 4,758.55 mi (7,658.14 km) |
| Duchcov to Kiryas Joel (New York) | 4,017.29 mi (6,465.20 km) |
| Duchcov to Kissimmee (Florida) | 4,945.10 mi (7,958.37 km) |
| Duchcov to Klamath Falls (Oregon) | 5,486.16 mi (8,829.13 km) |
| Duchcov to Knightdale (North Carolina) | 4,450.88 mi (7,163.00 km) |
| Duchcov to Knik-Fairview (Alaska) | 4,636.34 mi (7,461.48 km) |
| Duchcov to Knoxville (Tennessee) | 4,653.43 mi (7,488.97 km) |
| Duchcov to Kokomo (Indiana) | 4,508.14 mi (7,255.16 km) |
| Duchcov to Kuna (Idaho) | 5,279.38 mi (8,496.33 km) |
| Duchcov to Kyle (Texas) | 5,487.12 mi (8,830.67 km) |
| Duchcov to La Cañada Flintridge (California) | 5,886.94 mi (9,474.11 km) |
| Duchcov to La Crescenta-Montrose (California) | 5,886.52 mi (9,473.43 km) |
