George Washington University to University of South Carolina-Upstate buses and trains from $82

Here are some trips other travelers have found on Routefriend.
$82
18h 4m
1 stop
GotoBus GotoBus
$100
18h 4m
1 stop
Vamoose GotoBus
$144
16h 10m
1 stop
Amtrak GotoBus