| Reston to Kennewick (Washington) | 2,159.80 mi (3,475.86 km) |
| Reston to Kenosha (Wisconsin) | 605.09 mi (973.80 km) |
| Reston to Kent (Ohio) | 261.07 mi (420.15 km) |
| Reston to Kent (Washington) | 2,300.69 mi (3,702.59 km) |
| Reston to Kentwood (Michigan) | 508.86 mi (818.94 km) |
| Reston to Kerman (California) | 2,314.62 mi (3,725.01 km) |
| Reston to Kernersville (North Carolina) | 247.16 mi (397.76 km) |
| Reston to Kerrville (Texas) | 1,380.06 mi (2,220.99 km) |
| Reston to Kettering (Maryland) | 30.25 mi (48.68 km) |
| Reston to Kettering (Ohio) | 367.18 mi (590.91 km) |
| Reston to Kewanee (Illinois) | 682.83 mi (1,098.90 km) |
| Reston to Key Biscayne (Florida) | 930.63 mi (1,497.70 km) |
| Reston to Key Largo (Florida) | 971.93 mi (1,564.17 km) |
| Reston to Key West (Florida) | 1,027.09 mi (1,652.95 km) |
| Reston to Keystone (Florida) | 805.99 mi (1,297.12 km) |
