| Leighton Buzzard to Kinston (North Carolina) | 3,825.04 mi (6,155.80 km) |
| Leighton Buzzard to Kirkland (Washington) | 4,739.44 mi (7,627.39 km) |
| Leighton Buzzard to Kirksville (Missouri) | 4,180.70 mi (6,728.18 km) |
| Leighton Buzzard to Kirkwood (Missouri) | 4,178.13 mi (6,724.04 km) |
| Leighton Buzzard to Kiryas Joel (New York) | 3,409.91 mi (5,487.72 km) |
| Leighton Buzzard to Kissimmee (Florida) | 4,324.10 mi (6,958.97 km) |
| Leighton Buzzard to Klamath Falls (Oregon) | 5,041.73 mi (8,113.87 km) |
| Leighton Buzzard to Knightdale (North Carolina) | 3,837.77 mi (6,176.30 km) |
| Leighton Buzzard to Knik-Fairview (Alaska) | 4,416.26 mi (7,107.29 km) |
| Leighton Buzzard to Knoxville (Tennessee) | 4,050.50 mi (6,518.65 km) |
| Leighton Buzzard to Kokomo (Indiana) | 3,922.86 mi (6,313.24 km) |
| Leighton Buzzard to Kuna (Idaho) | 4,813.82 mi (7,747.10 km) |
| Leighton Buzzard to Kyle (Texas) | 4,902.54 mi (7,889.88 km) |
| Leighton Buzzard to La Cañada Flintridge (California) | 5,394.20 mi (8,681.13 km) |
| Leighton Buzzard to La Crescenta-Montrose (California) | 5,394.03 mi (8,680.86 km) |
