Babson College to Catholic University of America buses and trains from $76

Here are some trips other travelers have found on Routefriend.
6h 30m
0 stops
11h 33m
3 stops
Amtrak GotoBus
12h 31m
3 stops
Amtrak BoltBus
6h 30m
1 stop
Amtrak Amtrak
9h 19m
2 stops
Amtrak Amtrak