What can I do about an ISO file that is too big for a dvd?

I have a home movie .ISO file that is 7.77GB. Pretty sure that the original that it came off from may have been a double layer DVD or something. I don't have the original disc anymore. I don't have any double layer DVDs, either. Just this .ISO. Is there a way to burn this on-the-fly somehow and convert it... show more I have a home movie .ISO file that is 7.77GB. Pretty sure that the original that it came off from may have been a double layer DVD or something. I don't have the original disc anymore. I don't have any double layer DVDs, either. Just this .ISO.

Is there a way to burn this on-the-fly somehow and convert it down to DVD quality and size?
Update: Well, I need to burn this to a dvd and play it on a dvd player, so that's an issue with a flash drive...
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