| Reston to Kalispell (Montana) | 1,936.65 mi (3,116.73 km) |
| Reston to Kaneohe (Hawaii) | 4,804.40 mi (7,731.94 km) |
| Reston to Kankakee (Illinois) | 575.62 mi (926.37 km) |
| Reston to Kannapolis (North Carolina) | 300.71 mi (483.95 km) |
| Reston to Kansas City (Kansas) | 932.37 mi (1,500.50 km) |
| Reston to Kansas City (Missouri) | 922.21 mi (1,484.15 km) |
| Reston to Kapaa (Hawaii) | 4,859.21 mi (7,820.14 km) |
| Reston to Kapolei (Hawaii) | 4,821.63 mi (7,759.67 km) |
| Reston to Katy (Texas) | 1,226.19 mi (1,973.36 km) |
| Reston to Kaukauna (Wisconsin) | 672.60 mi (1,082.44 km) |
| Reston to Kaysville (Utah) | 1,825.21 mi (2,937.40 km) |
| Reston to Kearney (Missouri) | 910.68 mi (1,465.60 km) |
| Reston to Kearney (Nebraska) | 1,156.80 mi (1,861.69 km) |
| Reston to Kearns (Utah) | 1,831.87 mi (2,948.10 km) |
| Reston to Kearny (New Jersey) | 211.64 mi (340.60 km) |
