Yesterday, I was playing online with my brother. We were playing against two german guys, Argentina x England. I made a 26 meters goal with Riquelme. In the next game, with Italy, my brother made a 32 meters goal with Totti.
I really think it is a lot more easy to score a free kick in this game that was in PES4.
Just go training! And one tip: 18-20 meters, hold DOWN. 20-23, hold R2. 24, don't hold nothing. 25-26, hold R1. More than 26, hold UP.