| Red Oak to Kingsville (Texas) | 352.19 mi (566.79 km) |
| Red Oak to Kinston (North Carolina) | 1,115.18 mi (1,794.71 km) |
| Red Oak to Kirkland (Washington) | 1,690.62 mi (2,720.80 km) |
| Red Oak to Kirksville (Missouri) | 579.72 mi (932.96 km) |
| Red Oak to Kirkwood (Missouri) | 550.37 mi (885.74 km) |
| Red Oak to Kiryas Joel (New York) | 1,384.35 mi (2,227.89 km) |
| Red Oak to Kissimmee (Florida) | 959.98 mi (1,544.94 km) |
| Red Oak to Klamath Falls (Oregon) | 1,519.31 mi (2,445.09 km) |
| Red Oak to Knightdale (North Carolina) | 1,068.16 mi (1,719.03 km) |
| Red Oak to Knik-Fairview (Alaska) | 3,062.09 mi (4,927.95 km) |
| Red Oak to Knoxville (Tennessee) | 770.20 mi (1,239.52 km) |
| Red Oak to Kokomo (Indiana) | 806.15 mi (1,297.37 km) |
| Red Oak to Kuna (Idaho) | 1,303.64 mi (2,098.01 km) |
| Red Oak to Kyle (Texas) | 186.33 mi (299.86 km) |
| Red Oak to La Cañada Flintridge (California) | 1,238.89 mi (1,993.79 km) |
