Travelmath provides a database of major and local cities around the world. You can find the latitude and longitude of any world city, and check the city distance by comparing the flight distance between cities with the driving distance to see how far two cities are from each other.
Whorled phyllotaxy. Whorled phyllotaxy is another common mutation, although this is less desirable as a concealment trait as the plants still definitely resemble cannabis.
A. Cyclic Phyllotaxy: In the cyclic type of phyllotaxy the leaves at each node form a whorl with the leaves placed on a circle in which the angles between adjacent leaves are the same.