How can you battle a friend on Pokemon Platinum which is far away?

There are a few ways to battle a friend on Pokémon Platinum that is far away.

1. One way method if you both have internet access is by using the Nintendo Wi-Fi Connection with your Nintendo DS systems. After you have both established a connection, there is a battle mode that you can get to using the menu system while you are in game.

2. Another way is by using the Pokémon Battle Revolution game for the Wii. This game allows you to connect with friends over the internet and battle using your Pokémon from Pokémon Platinum.