Just to expound on that - if every person in the US (over 300m) entered a bracket, you could still go over 200m years and still not have a perfect bracket.
Border countries, whose capital cities are the farthest apart? France and Brazil. You may ask how that's possible, well French Guiana which is technically France, borders Brazil, making Paris and Brasilia the farthest capital cities of neighboring cities.
1 in every 5 miles of interstate must be straight so it can be used as a runway in the event of an emergency.
You know, I thought that was true too, but Snopes says nope. http://www.snopes.com/autos/law/airstrip.asp