| River Forest to Kalispell (Montana) | 1,357.51 mi (2,184.71 km) |
| River Forest to Kaneohe (Hawaii) | 4,231.57 mi (6,810.05 km) |
| River Forest to Kankakee (Illinois) | 54.84 mi (88.26 km) |
| River Forest to Kannapolis (North Carolina) | 588.25 mi (946.70 km) |
| River Forest to Kansas City (Kansas) | 410.92 mi (661.31 km) |
| River Forest to Kansas City (Missouri) | 402.10 mi (647.12 km) |
| River Forest to Kapaa (Hawaii) | 4,283.15 mi (6,893.07 km) |
| River Forest to Kapolei (Hawaii) | 4,248.56 mi (6,837.40 km) |
| River Forest to Katy (Texas) | 948.15 mi (1,525.90 km) |
| River Forest to Kaukauna (Wisconsin) | 166.12 mi (267.35 km) |
| River Forest to Kaysville (Utah) | 1,246.53 mi (2,006.09 km) |
| River Forest to Kearney (Missouri) | 385.13 mi (619.81 km) |
| River Forest to Kearney (Nebraska) | 590.05 mi (949.59 km) |
| River Forest to Kearns (Utah) | 1,254.92 mi (2,019.60 km) |
| River Forest to Kearny (New Jersey) | 714.42 mi (1,149.75 km) |
