Preferably, further north.
EDIT 1: I for one enjoy the scenery and the weather system on Europa, but it gets annoying and very repetitive having to go between Variks/The Stranger and walking to the Riis-Reborn area 6-8 times just for the campaign.
EDIT 2: I full well realize that Bungie will never add another fast-travel point. I am just here to voice my complaint.
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Of course it's silly that there isn't.