I have done the following:
Fly to start and fly home from end.
Fly to end point, take bus to start point, and fly home from end point.
Fly to city near start point, take van to start point, take bus from end point to different city and fly home.
Fly to start point and have wife pick me up in car from end point.
Drive to start point and do a loop.
Start from home and take train home from end point.
Do a loop from home.