To be frank, the low population and smaller metropolitan areas make it hard to find
quality practitioners (anyone can perform it who is legally qualified and has access to fillers off label, but I wouldn't risk it with your one and only penis).
If you look at
PhalloFILL's Map
, they got some sort of close to your area.
As for travel, I get the "insanity" part of it, logistics is important. However, let it not be lost on you or anyone of how lucky we are that we live in a time where we can go from pencil-dick to coke-can-thick relatively safely, so perspective is crucial.
That said, I continue to look for providers in the Great Plains & Midwest that are thoroughly vetted and hope to have some on board in the near future.