I think there will have a choice for a Central America start and the region hasn't been visited since TAR 19, where Panama was the last country. Hope to get fingers crossed with another Spanish-speaking country.
TAR 1, TAR 2, TAR 4, TAR 6, TAR 9, TAR 12, TAR 14, TAR 15, TAR 17, TAR 18, TAR 22 and TAR 25 didn't visit any of Spanish-speaking countries, if include Spain.
If the race would get started around Central America, the teams will arrive in the night, as TAR 25 did a Caribbean start.