| Rickmansworth to Kinston (North Carolina) | 3,838.10 mi (6,176.82 km) |
| Rickmansworth to Kirkland (Washington) | 4,759.75 mi (7,660.07 km) |
| Rickmansworth to Kirksville (Missouri) | 4,197.30 mi (6,754.91 km) |
| Rickmansworth to Kirkwood (Missouri) | 4,194.12 mi (6,749.78 km) |
| Rickmansworth to Kiryas Joel (New York) | 3,423.97 mi (5,510.35 km) |
| Rickmansworth to Kissimmee (Florida) | 4,336.26 mi (6,978.53 km) |
| Rickmansworth to Klamath Falls (Oregon) | 5,061.67 mi (8,145.98 km) |
| Rickmansworth to Knightdale (North Carolina) | 3,851.14 mi (6,197.81 km) |
| Rickmansworth to Knik-Fairview (Alaska) | 4,437.04 mi (7,140.72 km) |
| Rickmansworth to Knoxville (Tennessee) | 4,064.90 mi (6,541.82 km) |
| Rickmansworth to Kokomo (Indiana) | 3,938.60 mi (6,338.56 km) |
| Rickmansworth to Kuna (Idaho) | 4,833.45 mi (7,778.69 km) |
| Rickmansworth to Kyle (Texas) | 4,918.19 mi (7,915.07 km) |
| Rickmansworth to La Cañada Flintridge (California) | 5,413.21 mi (8,711.73 km) |
| Rickmansworth to La Crescenta-Montrose (California) | 5,413.05 mi (8,711.47 km) |
