from El Paso: Take I-10 east to Van Horn. At Van Horn take Highway 90 east. Just south of Valentine take Highway 505 and then 166 east. Turn left on Highway 17 and follow it to Fort Davis or continue south on Highway 90 to Marfa and then turn left on Highway 17 to Fort Davis. Alternate Route:  From Van Horn take I-10 east to Kent and then turn south on 118 to Fort Davis. (About 4 hours)  map

from Midland/Odessa: Take I-20 west to Pecos. From Pecos take Highway 17 south through Balmorhea to Fort Davis. (About 2.5 hours)  map

from San Antonio: Take I-10 west to Balmorhea. Then take Highway 17 south to Fort Davis. (About 7 hours) map

from Del Rio: Take Highway 90 west to Alpine. From Alpine take Highway 118 north to Fort Davis. (About 3.5 hours) map