10 meter beacons are clustered mainly in North America...... as of 20 October 2008 there are 254 North American beacons.
South & Central America has 38
Europe & Africa has 60
Asia & "down under" has 17
Total of 369 ten meter propagation beacons.
If a person can hear a QRP power beacon it's almost a sure thing that a contact can be established in the direction of the beacon signal.