My internet connection is not the best in the world but is pretty much ok, and the server is nearby here.


Your internet connection isn't the problem. As Loewchen said, the problem is that your computer is taking longer to process game ticks than the server. Hence it gets behind the server and ...

Aditional info:

My internet connection is not the best in the world but is pretty much ok, and the server is nearby here.

The title says itself. I have two screenshots, the first one is running the map online in a dedicated server (which nobody have lags except me), and the second one is the same map in singleplayer.

The fact is, my internet connection is normal the same way I was running an "7 days to die" server ...