if you mean like win the game, then you can't. spore is one of those games that you can never end, like WoW, and stuff like that. if you mean get to space stage, if you play every day, maybe about 3 days or so (at least that's how long it took me)
you can get to the space stage in a day
how long did it take to complete the liberty bell monument
Took me about an half an hour so you might wanna find something to do
Yes spore mods do work. You can find the largest list of spore mods here: http://sporedum.net/spore-modding/spore-mod-index/
How long did it take Juan ponce DE Leon to complete his journey?
Not long at all.
Press v.
it took about 5 to 6 yrs to complete...
A long time
abot a day
120
Not long they haven't got far to go
Oh not that long, a couple of hours! Thanks for asking!