General:
* Arrived
* Appeared
* Emerged
* Entered
* Reached
* Went
* Got
* Found
* Occurred
* Happened
More specific:
* For people:
* Walked
* Ran
* Drove
* Flew
* Sailed
* Crawled
* Strolled
* For things:
* Brought
* Delivered
* Sent
* Received
Informal:
* Showed up
* Turned up
* Popped up
* Dropped by
The best synonym for "came" will depend on the specific situation and the tone of your writing.