There are 858.767 miles between Dubois, PA and Little Rock, AK.
315
403 miles
537.56mi / 865.12km
I believe those places are in Arkansas (AR) not Alaska (AK). They're 131 miles apart, 141 if you take the interstate.
580-590 mies
The shortest driving distance to Ketchikan, AK is 3,013 miles.
720.7 miles
The Little Rock in Alaska isn't accessible by road. In case you meant the one in Arkansas (AR) it's 1680 miles.
43 miles taking AK-1 SOUTH.
@ 10000 feet
85 miles by road