I wouldn't go more than 100 miles on it. Also, if you have a fwd car and put the tire on the front, there is a very real possibility that you will do transmission damage through extended use due to the fact that it is a different diameter than the other tire that is on the front. Pin On Steampunk Nerf Mods Spare tires also should not be driven farther than 70 miles or they could wear too quickly and lead to another flat. How far can you drive on a spare tire reddit . No, you should not leave the car for any significant amount of time on a flat tire. But if there's a possibility of you putting the car up on a jack to relieve the flexion of the sidewall, that's your best bet. How far can you drive on a spare tire? A full size spare would be the same size and shape as the rest of your tires. Because a full size spare would be the same size as a regular tire, you can drive it the same as a regular tire. So once you get to a place, you can get a replacement, inves...