Drag the line on the map to calculate the driving distance for a different route.
The total driving distance from Katy, TX to San Antonio, TX is 168 miles or 270 kilometers.
Your trip begins in Katy, Texas. It ends in San Antonio, Texas.
If you are planning a road trip, you might also want to calculate the total driving time from Katy, TX to San Antonio, TX so you can see when you'll arrive at your destination.
You can also calculate the cost of driving from Katy, TX to San Antonio, TX based on current local fuel prices and an estimate of your car's best gas mileage.
If you're meeting a friend, you might be interested in finding the city that is halfway between Katy, TX and San Antonio, TX.
Planning to fly a plane instead? You might be more interested in calculating the straight line distance to fly from Katy, TX to San Antonio, TX.