My daughter drove her car about 10,000 miles with a bad head gasket. How long can you drive with a blown head gasket? Does Head Gasket Sealer Work - Autoguidecom So, for safety reasons, we recommend either repairing the leak or replacing the head gasket immediately. How far can you drive with a blown head gasket . While it’s possible to drive with a blown head gasket it certainly isn’t recommended. Typically a car will last no longer than a month with a blown head gasket. The better questions to ask are “should i drive with a blown head gasket?”, and “is it safe to drive with a blown head gasket?” the answer to both of these questions is much more straightforward: Driving with a blown head gasket over distances of 1,000 miles or more is another matter. If it doesn't have a misfire you could drive it a while as long as you keep coolant in it. It really depends on how bad it is. I was told i have a blown head gasket i can drive the car for about 15 minutes befor...