If I lived at my parents old house, I would be much closer than you. They were in Bonita, south of San Diego. about 10 miles or less from the border. But I am north west of you for the foreseeable future.
Still plenty of US states are not represented, and the same counts for many countries. Even almost the entire African continent is absent. Perhaps this map is a reflection of where in the world people (mostly male in this case) have enough money and spare time to maintain a hobby.
Poor Steve!
We could do some “get the Moose some big chunks of aluminium” fundraising on BLF to get you going again, but then there is still the needed spare cave time that we have no power over