| Fairfax to Kenosha (Wisconsin) | 610.44 mi (982.41 km) |
| Fairfax to Kent (Ohio) | 267.10 mi (429.86 km) |
| Fairfax to Kent (Washington) | 2,306.15 mi (3,711.39 km) |
| Fairfax to Kentwood (Michigan) | 514.75 mi (828.41 km) |
| Fairfax to Kerman (California) | 2,318.23 mi (3,730.83 km) |
| Fairfax to Kernersville (North Carolina) | 243.53 mi (391.93 km) |
| Fairfax to Kerrville (Texas) | 1,380.16 mi (2,221.15 km) |
| Fairfax to Kettering (Maryland) | 27.59 mi (44.40 km) |
| Fairfax to Kettering (Ohio) | 370.87 mi (596.85 km) |
| Fairfax to Kewanee (Illinois) | 687.23 mi (1,105.98 km) |
| Fairfax to Key Biscayne (Florida) | 924.56 mi (1,487.93 km) |
| Fairfax to Key Largo (Florida) | 965.89 mi (1,554.45 km) |
| Fairfax to Key West (Florida) | 1,021.37 mi (1,643.73 km) |
| Fairfax to Keystone (Florida) | 800.89 mi (1,288.90 km) |
| Fairfax to Kihei (Hawaii) | 4,762.49 mi (7,664.48 km) |
