It should be 1-2 weeks. That's more than enough to pack your stuff and get out.
Of course that entails adopting first-world vote counting procedures.
How would you handle overseas ballots that can be mailed up to election day?
How would you handle provisional ballots that have to be checked against voter lists by the same people who are certifying the vote totals from regular ballots? There's actually a lot of required cross-checking of precinct data before a count is certified.
That's why it's unrealistic to do it in less than 3-4 weeks.
How does every other country in the developed world manage to count all its votes within 24 hours with virtually no errors? Well, do as they do.
