How can i get as close as i can to kildeer,il using the metra? -

I know i have to get 2 union station first thats no problem but how do i get from there to close to kildeer,il?

Kildeer is midway (about 6 miles) between Barrington on the Union Pacific Northwest line which leaves from Ogilvie Transportation Center and Buffalo Grove on the North Central Service which leaves from Union Station.