They are going a ways out

https://forum.nasaspaceflight.com/index.php?topic=42913.msg1689913#msg1689913

How far out is the target point and how does this compare to previous landings after geotransfer launches?

A back of the envelope calculation indicates it will be very close to previous landings, which were about 660 km out, likely within a few km.

The calculation goes like this. Bulgaria-sat is guessed to mass about 3.7t. Previous launches were about 5.3t. How much difference will this make in the landing site? The second stage masses roughly 120 tonnes + payload. The first stage is roughly 27t empty with 436t fuel. About 20t of fuel is reserved for landing. Using these numbers, we get initial and burnout mass for the first stage of 588.3t and 172.3t. Reducing the mass of the payload makes these 586.7t and 170.7t. Then we apply the rocket equation to both (delta-V = ISP*g*ln(initial mass/burnout mass) ), ISP is about 311, and then take the difference. It's about 20 m/s, so the first stage will be going 20 m/s faster at staging.

Since more or less 100 seconds of the trajectory is horizontal, that's at most 2 km further out due to the lighter payload. On the other hand, SpaceX might chose to reserve a little more fuel for slowing down the booster, to make re-entry a little easier on the rocket. That could result in a few km shorter flight. But overall, the landing will be very close to where the ship has been before.