American University to Marist College buses and trains from $43

Or, see buses and trains from Marist College to American University.
Here are some trips other travelers have found on Routefriend.
$43
8h 1m
1 stop
Vamoose Metro-North
$45
7h 28m
1 stop
Vamoose Amtrak
$48
7h 33m
1 stop
GotoBus Metro-North
$74
4h 43m
1 stop
Amtrak
$100
5h 58m
2 stops
Amtrak Metro-North
$107
6h 3m
1 stop
Amtrak Metro-North
$109
4h 37m
1 stop
Amtrak Amtrak
$126
8h 13m
2 stops
Megabus Amtrak