Washita Battlefield National Historic Site is located within the U.S. Forest Service's Black Kettle National Grassland near the town of Cheyenne, Oklahoma. Cheyenne is situated in western Oklahoma approximately 140 miles west of Oklahoma City and 128 miles east of Amarillo, Texas; just 22 miles north of I-40 on State Highway 283. The town of Cheyenne is the county seat of Roger Mills County. Cheyenne is approximately 30 miles north of I-40 on Hwy 283 and approximately 20 miles east of the Texas border.
Nearest major airports are Will Rogers International Airport in Oklahoma City about 145 miles east. To the west is the Rick Husband International Airport in Amarillo, about 130 miles distant. A small airport, for private and small planes, is located just west of Cheyenne, OK, near the engagement site.
From I-40 take exit 20 (Sayre) and travel north on US-283 to Cheyenne. In Cheyenne take US-283 north until it intersects with Hwy 47. At the US-283 and Hwy 47 intersection travel west through scenic downtown Cheyenne. Once out of town continue west half a mile and turn north on Hwy 47A. Continuing on Hwy 47A will take you to the new visitor center. By taking 47A a little farther you will find the historic site, featuring the park overlook and interpretive walking trail.