Try the World Great Circle Daily Challenge - a new quiz each day!
No ads, more time, Google Maps all the time, plus many other great features! Try hugequiz Premium today!
World Largest Cities By Longitude Range – Choose Longitude
DirectionsBegin by choosing a longitude from -160 through 180 by entering it (only multiples of 20). Then, name the 50K+ world cities within 10 degrees east or west of that longitude trying to achieve the highest total population.
Quiz Takers 
I completely forgot about Australia
When you check the 50 missed list and realize you skipped an entire country!