| River Forest to Kingsville (Texas) | 1,144.04 mi (1,841.16 km) |
| River Forest to Kinston (North Carolina) | 716.19 mi (1,152.60 km) |
| River Forest to Kirkland (Washington) | 1,717.76 mi (2,764.47 km) |
| River Forest to Kirksville (Missouri) | 274.08 mi (441.09 km) |
| River Forest to Kirkwood (Missouri) | 267.02 mi (429.73 km) |
| River Forest to Kiryas Joel (New York) | 705.50 mi (1,135.39 km) |
| River Forest to Kissimmee (Florida) | 1,005.59 mi (1,618.34 km) |
| River Forest to Klamath Falls (Oregon) | 1,730.44 mi (2,784.88 km) |
| River Forest to Knightdale (North Carolina) | 654.71 mi (1,053.66 km) |
| River Forest to Knik-Fairview (Alaska) | 2,833.14 mi (4,559.50 km) |
| River Forest to Knoxville (Tennessee) | 459.10 mi (738.85 km) |
| River Forest to Kokomo (Indiana) | 132.34 mi (212.98 km) |
| River Forest to Kuna (Idaho) | 1,448.14 mi (2,330.56 km) |
| River Forest to Kyle (Texas) | 995.01 mi (1,601.31 km) |
| River Forest to La Cañada Flintridge (California) | 1,725.65 mi (2,777.16 km) |
