Start by naming any country that France borders. Then name any country that borders any of those countries. Then keep going until there are no more countries left to name.
Another great quiz! I was surprised that Iowa wasn't on the list, and mildly surprised by Rhode Island. I got to learn about the Waterloo Hawks, Providence Grays, Providence Steam Roller, and Providence Steamrollers today.
So...technically in 1972 there briefly was the Kansas City-Omaha Kings, a shared NBA team. I know that's lame, but it would technically count, so Nebraska is not included on this list.