| Mackworth to Kinston (North Carolina) | 3,772.12 mi (6,070.64 km) |
| Mackworth to Kirkland (Washington) | 4,661.78 mi (7,502.40 km) |
| Mackworth to Kirksville (Missouri) | 4,115.18 mi (6,622.74 km) |
| Mackworth to Kirkwood (Missouri) | 4,114.75 mi (6,622.04 km) |
| Mackworth to Kiryas Joel (New York) | 3,353.50 mi (5,396.94 km) |
| Mackworth to Kissimmee (Florida) | 4,274.34 mi (6,878.89 km) |
| Mackworth to Klamath Falls (Oregon) | 4,965.09 mi (7,990.55 km) |
| Mackworth to Knightdale (North Carolina) | 3,783.76 mi (6,089.38 km) |
| Mackworth to Knik-Fairview (Alaska) | 4,338.88 mi (6,982.76 km) |
| Mackworth to Knoxville (Tennessee) | 3,992.76 mi (6,425.73 km) |
| Mackworth to Kokomo (Indiana) | 3,860.42 mi (6,212.75 km) |
| Mackworth to Kuna (Idaho) | 4,738.17 mi (7,625.34 km) |
| Mackworth to Kyle (Texas) | 4,840.28 mi (7,789.68 km) |
| Mackworth to La Cañada Flintridge (California) | 5,320.49 mi (8,562.50 km) |
| Mackworth to La Crescenta-Montrose (California) | 5,320.30 mi (8,562.20 km) |
