Driving distance from Corpus Christi, TX to Sinton, TX. The total driving distance from Corpus Christi, TX to Sinton, TX is 27 miles or 43 kilometers. Your trip begins in Corpus Christi, Texas. It ends in Sinton, Texas. If you are planning a road trip, you might also want to calculate the total driving time from Corpus Christi, TX to Sinton, TX so you can see when you'll arrive at your destination.