Centre-circle to centre-circle - 0.587 miles Dead simple, the Google Maps Distance Calculator lets you work out the distance between two locations. Measuring centre-circle to centre-circle, Goodison Park and Anfield are 0.587miles apart.
Better than Zone Alarm?
I'm very happy with Zone Alarm, but it's always a pain when you set it up on someone else's laptop. It needs to be trained to allow each and every program that needs access to the internet, very scary and offputting for a lot of users.