OK. I share your agony. Count out Americas (already gone), Europe, Africa (never was in) and Russia.
Leave 1930s in (ok, granted, late 1920s may also be in, but here are no intentional covert claims).
And the distance is difficult to determine because Mexico and the county are both quite large. But the number was statute miles (the miles that the great circle distances are given in the
Great Circle Mapper). The distance to the town whose name the aircraft carries is not more than nine thousand miles from Mexico (City).