Danville, VA to American University buses and trains from $53

Or, see buses and trains from American University to Danville, VA.
Here are some trips other travelers have found on Routefriend.
$53
5h 10m
0 stops
Amtrak
$96
15h 42m
2 stops
Amtrak Megabus
$121
17h 57m
2 stops
Amtrak Megabus