Strips of land and sea

Strips of land and sea! I want to set up a while loop to fill in the of the world map.

40187 km across, 402px by 201px with a total surface area of 514.06 m. km^2
200, 3.1258846903218442, 6.31
My landmass is 60.73004981667466 m. km^2, 11.81% of the world surface area.
78.14317359597153