High Quality Content by WIKIPEDIA articles! State Highway 34 (abbreviated SH-34 or OK-34) is a state highway in the U.S. state of Oklahoma. It runs for 188.5 miles (303.4 km) south-to-north in the western part of the state. The highway begins northeast of Eldorado, in the southwest corner of the state, and extends north to the Kansas state line between Woodward and Coldwater, Kansas.