For manned missions when a major "location" of the mission is the space in-between Earth and the destination, Mars becomes a much more lucrative first destination because the duration in transit is much shorter.
It's at least 13 months to get to Jupiter for a probe, and reasonably much longer for a man-rated craft.
It's at least 13 months to get to Jupiter for a probe, and reasonably much longer for a man-rated craft.