| Rock Island to Kennewick (Washington) | 1,453.45 mi (2,339.10 km) |
| Rock Island to Kenosha (Wisconsin) | 158.83 mi (255.62 km) |
| Rock Island to Kent (Ohio) | 478.89 mi (770.70 km) |
| Rock Island to Kent (Washington) | 1,601.20 mi (2,576.88 km) |
| Rock Island to Kentwood (Michigan) | 273.53 mi (440.20 km) |
| Rock Island to Kerman (California) | 1,606.18 mi (2,584.90 km) |
| Rock Island to Kernersville (North Carolina) | 675.26 mi (1,086.72 km) |
| Rock Island to Kerrville (Texas) | 922.71 mi (1,484.95 km) |
| Rock Island to Kettering (Maryland) | 748.78 mi (1,205.05 km) |
| Rock Island to Kettering (Ohio) | 359.04 mi (577.82 km) |
| Rock Island to Kewanee (Illinois) | 37.56 mi (60.45 km) |
| Rock Island to Key Biscayne (Florida) | 1,242.01 mi (1,998.81 km) |
| Rock Island to Key Largo (Florida) | 1,270.87 mi (2,045.27 km) |
| Rock Island to Key West (Florida) | 1,272.86 mi (2,048.47 km) |
| Rock Island to Keystone (Florida) | 1,025.73 mi (1,650.75 km) |
