Then I guess you are up shit creek.
If it was me, I'd take the drive. I'm sure where you live is lacking in other amenities also that have folks traveling out of town too. But maybe I'm wrong and an ASC age verifier is the only thing that burg is missing.
How about this, organize a game, put out the invite to a few folks who are age verifiers in outside your area and tell them your group will bring him out for the day; pay for his fuel and meals, have him at a game so he can see you're not a bunch of twats and then he'll feel comfortable AV'ing the folks in the group who are over 18.
Airsoft, where nothing is hurt but feelings.