Harrisburg, PA to Rhode Island College buses and trains from $79

Or, see buses and trains from Rhode Island College to Harrisburg, PA.
Here are some trips other travelers have found on Routefriend.
$79
7h 4m
1 stop
Amtrak Greyhound
$85
7h 12m
1 stop
Amtrak
$103
6h 40m
1 stop
Amtrak Amtrak