| River Forest to Kennewick (Washington) | 1,574.52 mi (2,533.94 km) |
| River Forest to Kenosha (Wisconsin) | 47.87 mi (77.04 km) |
| River Forest to Kent (Ohio) | 337.96 mi (543.90 km) |
| River Forest to Kent (Washington) | 1,717.97 mi (2,764.81 km) |
| River Forest to Kentwood (Michigan) | 132.63 mi (213.45 km) |
| River Forest to Kerman (California) | 1,749.50 mi (2,815.55 km) |
| River Forest to Kernersville (North Carolina) | 576.13 mi (927.19 km) |
| River Forest to Kerrville (Texas) | 1,032.96 mi (1,662.38 km) |
| River Forest to Kettering (Maryland) | 615.95 mi (991.28 km) |
| River Forest to Kettering (Ohio) | 244.79 mi (393.96 km) |
| River Forest to Kewanee (Illinois) | 117.95 mi (189.81 km) |
| River Forest to Key Biscayne (Florida) | 1,201.48 mi (1,933.59 km) |
| River Forest to Key Largo (Florida) | 1,233.69 mi (1,985.43 km) |
| River Forest to Key West (Florida) | 1,246.45 mi (2,005.96 km) |
| River Forest to Keystone (Florida) | 995.27 mi (1,601.73 km) |
