| Hercules to Kinston (North Carolina) | 2,459.55 mi (3,958.27 km) |
| Hercules to Kirkland (Washington) | 669.56 mi (1,077.55 km) |
| Hercules to Kirksville (Missouri) | 1,591.19 mi (2,560.77 km) |
| Hercules to Kirkwood (Missouri) | 1,718.17 mi (2,765.13 km) |
| Hercules to Kiryas Joel (New York) | 2,535.02 mi (4,079.71 km) |
| Hercules to Kissimmee (Florida) | 2,434.44 mi (3,917.85 km) |
| Hercules to Klamath Falls (Oregon) | 292.20 mi (470.26 km) |
| Hercules to Knightdale (North Carolina) | 2,400.43 mi (3,863.12 km) |
| Hercules to Knik-Fairview (Alaska) | 2,000.81 mi (3,219.99 km) |
| Hercules to Knoxville (Tennessee) | 2,103.89 mi (3,385.89 km) |
| Hercules to Kokomo (Indiana) | 1,927.43 mi (3,101.90 km) |
| Hercules to Kuna (Idaho) | 487.20 mi (784.08 km) |
| Hercules to Kyle (Texas) | 1,496.18 mi (2,407.87 km) |
| Hercules to La Cañada Flintridge (California) | 346.45 mi (557.55 km) |
| Hercules to La Crescenta-Montrose (California) | 343.97 mi (553.57 km) |
