| Hercules to Kenosha (Wisconsin) | 1,826.22 mi (2,939.01 km) |
| Hercules to Kent (Ohio) | 2,168.62 mi (3,490.06 km) |
| Hercules to Kent (Washington) | 648.26 mi (1,043.27 km) |
| Hercules to Kentwood (Michigan) | 1,941.31 mi (3,124.24 km) |
| Hercules to Kerman (California) | 149.51 mi (240.61 km) |
| Hercules to Kernersville (North Carolina) | 2,309.10 mi (3,716.14 km) |
| Hercules to Kerrville (Texas) | 1,429.10 mi (2,299.92 km) |
| Hercules to Kettering (Maryland) | 2,435.17 mi (3,919.03 km) |
| Hercules to Kettering (Ohio) | 2,038.36 mi (3,280.42 km) |
| Hercules to Kewanee (Illinois) | 1,724.97 mi (2,776.07 km) |
| Hercules to Key Biscayne (Florida) | 2,587.76 mi (4,164.60 km) |
| Hercules to Key Largo (Florida) | 2,594.10 mi (4,174.80 km) |
| Hercules to Key West (Florida) | 2,540.36 mi (4,088.31 km) |
| Hercules to Keystone (Florida) | 2,375.61 mi (3,823.17 km) |
| Hercules to Kihei (Hawaii) | 2,358.30 mi (3,795.32 km) |
