| Oak Forest to Kingsville (Texas) | 1,129.19 mi (1,817.25 km) |
| Oak Forest to Kinston (North Carolina) | 701.70 mi (1,129.28 km) |
| Oak Forest to Kirkland (Washington) | 1,729.50 mi (2,783.36 km) |
| Oak Forest to Kirksville (Missouri) | 269.90 mi (434.37 km) |
| Oak Forest to Kirkwood (Missouri) | 252.18 mi (405.85 km) |
| Oak Forest to Kiryas Joel (New York) | 702.85 mi (1,131.12 km) |
| Oak Forest to Kissimmee (Florida) | 985.84 mi (1,586.55 km) |
| Oak Forest to Klamath Falls (Oregon) | 1,738.16 mi (2,797.30 km) |
| Oak Forest to Knightdale (North Carolina) | 640.06 mi (1,030.07 km) |
| Oak Forest to Knik-Fairview (Alaska) | 2,850.73 mi (4,587.80 km) |
| Oak Forest to Knoxville (Tennessee) | 439.88 mi (707.92 km) |
| Oak Forest to Kokomo (Indiana) | 115.72 mi (186.23 km) |
| Oak Forest to Kuna (Idaho) | 1,456.45 mi (2,343.93 km) |
| Oak Forest to Kyle (Texas) | 981.34 mi (1,579.31 km) |
| Oak Forest to La Cañada Flintridge (California) | 1,726.43 mi (2,778.42 km) |
