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.
whorl. n. 1. A form that coils or spirals; a curl or swirl: spread the icing in peaks and whorls. 2. Botany An arrangement of three or more leaves, petals, or other organs arising from a single node. 3. Zoology A single turn or volution of a spiral shell. 4. One of the circular ridges or convolutions of a fingerprint.