The drive from Sparks, TX to San Antonio, TX covers 534.4 miles and takes about 8h 34m behind the wheel.
It usually feels better as a 2-day road trip than as one long push.
The route leans on I 10, McDermott Freeway, Peyton Road for much of the mileage,
and the overall profile is long-distance drive.
The longest uninterrupted segment is about 529.1 miles on I 10.
At current regular gas prices, budget about $80.75 one way before food or hotel costs.
Trip Pace
Best split across 2 days
Treat the return leg as its own travel day rather than an afterthought.
Break Rhythm
2 planned breaks
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
267.2 miles from Sparks, TX
A natural place for your longest stop of the day
, about 4h 16m into the drive
.