I'm planning a solo road trip this summer and would definitely appreciate some advice from the experts here. I expect to have about 30 days leaving sometime in late July and returning in late August. I've come up with three general options and would like to get some feedback and advice.

Option 1: Circle route across northern tier of U.S. and back along southern tier
Google Maps

Option 2: Deh Cho Trail to Yellowknife, NWT
Google Maps

Option 3: Alaska Highway to Fairbanks
Google Maps

Are these options reasonable? I've done my research but what are the issues I should consider in choosing which trip to take?

Ideally, I'd like to try one of the northern treks but I've never driven on gravel roads before (I'll be driving a Hyundai Santa Fe). I've done a solo cross-country drive once before but that trip was only a little over two weeks long.

Thanks in advance for the help.