Endicott College to Howard University buses and trains from $35

Or, see buses and trains from Howard University to Endicott College.
Here are some trips other travelers have found on Routefriend.
8h 58m
1 stop
Greyhound GotoBus
6h 30m
0 stops
7h 34m
1 stop
Greyhound Amtrak
6h 30m
1 stop
Amtrak Amtrak