| Reston to Kingsville (Texas) | 1,419.63 mi (2,284.67 km) |
| Reston to Kinston (North Carolina) | 254.28 mi (409.23 km) |
| Reston to Kirkland (Washington) | 2,299.67 mi (3,700.96 km) |
| Reston to Kirksville (Missouri) | 814.62 mi (1,311.00 km) |
| Reston to Kirkwood (Missouri) | 704.22 mi (1,133.34 km) |
| Reston to Kiryas Joel (New York) | 235.55 mi (379.08 km) |
| Reston to Kissimmee (Florida) | 771.68 mi (1,241.90 km) |
| Reston to Klamath Falls (Oregon) | 2,315.83 mi (3,726.97 km) |
| Reston to Knightdale (North Carolina) | 227.19 mi (365.63 km) |
| Reston to Knik-Fairview (Alaska) | 3,336.19 mi (5,369.08 km) |
| Reston to Knoxville (Tennessee) | 416.46 mi (670.23 km) |
| Reston to Kokomo (Indiana) | 478.15 mi (769.50 km) |
| Reston to Kuna (Idaho) | 2,034.44 mi (3,274.11 km) |
| Reston to Kyle (Texas) | 1,319.17 mi (2,123.00 km) |
| Reston to La Cañada Flintridge (California) | 2,271.16 mi (3,655.08 km) |
