Different area but on topic, there are no gas stations between Blanding, Utah and Hanksville, UT. Including a trip through Natural Bridges National Monument it's 142 miles.
Relevant for our trip this spring.
Hopper
we will be in the tourist season we are tourist we will be riding it about the second week in July. If you read the post about hwy 2 across the top of the United States that is Me
Having done Lolo Pass in each direction, I filled up in Orofino and in Lolo on US93. With my RK getting 40+ MPG, it wasn't even close to running out. I suppose it depends on what you ride, but the two points are not that far apart.