Because it is a flat drawing trying to represent the Earth, which is a curved surface and there is distortion.
The most accurate map is the best map.
It is a 2 dimensional map
Mercator.
The Globe
The globe
You can view an accurate map of Cleveland on sites such as Busted Maps, City Search, government websites NCDOT and USGS, Map Quest, and even Google Maps.
the sailing around the world map
You can get a accurate map at the following web sites I found online for you to look at vision.eecs.ucf.edu/.../WhereAmI/ProjectPage-WhereAmI.htm ,www.tripadvisor.com/ShowTopic-g294226-i7220-k5513878-
make it accurate
cica
A New and Accurate Map of the World - 2007 was released on: USA: 6 May 2007 (New York Film Festival)
This map expands the water areas in order to keep size and shape of the continents accurate.