| Oak Ridge to Kalispell (Montana) | 1,741.29 mi (2,802.33 km) |
| Oak Ridge to Kaneohe (Hawaii) | 4,465.75 mi (7,186.93 km) |
| Oak Ridge to Kankakee (Illinois) | 403.97 mi (650.13 km) |
| Oak Ridge to Kannapolis (North Carolina) | 207.65 mi (334.19 km) |
| Oak Ridge to Kansas City (Kansas) | 612.26 mi (985.34 km) |
| Oak Ridge to Kansas City (Missouri) | 602.56 mi (969.73 km) |
| Oak Ridge to Kapaa (Hawaii) | 4,527.62 mi (7,286.51 km) |
| Oak Ridge to Kapolei (Hawaii) | 4,483.41 mi (7,215.36 km) |
| Oak Ridge to Katy (Texas) | 793.12 mi (1,276.40 km) |
| Oak Ridge to Kaukauna (Wisconsin) | 611.30 mi (983.80 km) |
| Oak Ridge to Kaysville (Utah) | 1,528.77 mi (2,460.32 km) |
| Oak Ridge to Kearney (Missouri) | 597.93 mi (962.27 km) |
| Oak Ridge to Kearney (Nebraska) | 864.41 mi (1,391.14 km) |
| Oak Ridge to Kearns (Utah) | 1,530.41 mi (2,462.96 km) |
| Oak Ridge to Kearny (New Jersey) | 642.25 mi (1,033.60 km) |
