Most cars can be driven on a flat tire very slowly, for extremely short distances (such as one hundred yards) without damaging the wheel. But you cannot drive on a flat tire at all if you want to preserve the option of having the tire repaired. Contact with the rim will shred the tire’s internal structure. And driving on a flat tire should be a last resort, reserved for situations when you cannot safely pull over and call for a tow truck. There is no way to determine exactly how long your flat tire will protect your wheel. That’s assuming you don’t have run-flat tires.\
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If you have run-flat tires, check your tire model specifications to see how far you can drive in the event of a flat. Most run-flat tires are designed for up to fifty miles of driving while flat, at up to 50 mph.\
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If your tire has a slow leak, make an appointment at your earliest convenience and keep your tire pressure properly inflated until you reach your local Midas.