Here are the signs that I use.
Here is the current McDonald's that I have. Another, better one is planned soon and I will change this building into another shop. Note the construction of the free-standing sign. The 'extra' yellow rectangle above is to be cut into strips and wrapped around the exposed parts of the golden arches. My two sign halves are glued to a 3/16" thick foam core board.
Here's one of the McDonald's Billboards. Look ma, it's only 0.2 km ahead on the right.
Here's the McDonald's in town during a game.
Even insurgents need some directions to the closest Big Mac! "It's over there, on the left."