Hi Tinchu,
If you want to lay out a course in free roaming, or even in a mission, you can enlarge the chart to full screen and place waypoints on it.
You can even engage the autopilot and accelerate time, but only while you stay in the big chart.
When the Mission Editor is released, you can make your own mission with whatever waypoints, traffic, etc, that you want.
Regards,
Marty