| Silver Spring to Kennewick (Washington) | 2,173.68 mi (3,498.19 km) |
| Silver Spring to Kenosha (Wisconsin) | 618.91 mi (996.04 km) |
| Silver Spring to Kent (Ohio) | 273.16 mi (439.61 km) |
| Silver Spring to Kent (Washington) | 2,314.09 mi (3,724.16 km) |
| Silver Spring to Kentwood (Michigan) | 521.23 mi (838.84 km) |
| Silver Spring to Kerman (California) | 2,331.20 mi (3,751.70 km) |
| Silver Spring to Kernersville (North Carolina) | 261.12 mi (420.24 km) |
| Silver Spring to Kerrville (Texas) | 1,397.75 mi (2,249.46 km) |
| Silver Spring to Kettering (Maryland) | 14.74 mi (23.72 km) |
| Silver Spring to Kettering (Ohio) | 383.77 mi (617.63 km) |
| Silver Spring to Kewanee (Illinois) | 698.45 mi (1,124.04 km) |
| Silver Spring to Key Biscayne (Florida) | 937.73 mi (1,509.13 km) |
| Silver Spring to Key Largo (Florida) | 979.17 mi (1,575.82 km) |
| Silver Spring to Key West (Florida) | 1,035.56 mi (1,666.57 km) |
| Silver Spring to Keystone (Florida) | 816.49 mi (1,314.02 km) |
