K-254 is a 27.369-mile-long (44.046 km) state highway in the U.S. state of Kansas and links Wichita to El Dorado. K-254 begins at the intersection of Interstate 135 (I-135), I-235, U.S. Route 81 (US-81), K-15 and K-96 north of Wichita. It bypasses Kechi, Benton and Towanda, ending in downtown El Dorado at an intersection with US-54 and US-77. It is limited access from I-135 to just east of Kechi. It is then four-lane divided with at grade intersections to El Dorado with the exception of a diamond interchange at K-196. There is a stoplight interchange with I-35/Kansas Turnpike on the west side of El Dorado.

El Dorado is a city and county seat of Butler County, Kansas, United States. It is situated along the Walnut River in the central part of Butler County and located in south-central Kansas. As of the 2020 census, the population of the city was 12,870. It is home to Butler Community College.