| Houston to Kaneohe (Hawaii) | 3,886.19 mi (6,254.22 km) |
| Houston to Kankakee (Illinois) | 888.33 mi (1,429.62 km) |
| Houston to Kannapolis (North Carolina) | 942.57 mi (1,516.92 km) |
| Houston to Kansas City (Kansas) | 646.20 mi (1,039.95 km) |
| Houston to Kansas City (Missouri) | 646.92 mi (1,041.12 km) |
| Houston to Kapaa (Hawaii) | 3,961.08 mi (6,374.75 km) |
| Houston to Kapolei (Hawaii) | 3,904.44 mi (6,283.58 km) |
| Houston to Katy (Texas) | 26.79 mi (43.12 km) |
| Houston to Kaukauna (Wisconsin) | 1,074.53 mi (1,729.29 km) |
| Houston to Kaysville (Utah) | 1,209.85 mi (1,947.07 km) |
| Houston to Kearney (Missouri) | 663.72 mi (1,068.16 km) |
| Houston to Kearney (Nebraska) | 782.24 mi (1,258.89 km) |
| Houston to Kearns (Utah) | 1,197.99 mi (1,927.98 km) |
| Houston to Kearny (New Jersey) | 1,413.16 mi (2,274.26 km) |
| Houston to Keene (New Hampshire) | 1,565.32 mi (2,519.14 km) |
