I need to get over this girl!! any suggestions for activities i can do?

we just broke up and she doesn't want to keep in contact. soo... i need to get over her and the pain! wat do i do wen my friends arn't available to hang out? (i can't go to pubs or bars i'm only 17). being home just makes me remember her mor. i need to get out, but wat to do? wat to do? i can drive around in my car, so if u guys hav any suggestions in sydney to go to...