the bus route also passes through balmorhea which is 1 3rd of the way from el paso to san antoio. about how long does it take the bus to get to balmorhea

You told us the distance from El Paso to San Anotonio is 560mi, so the distance to Balmorhea = 560/3.
Using distance = rate*time
560/3 mi = 60mph*time
Solve for time.