Hexes in this game will be 8.5 mi on a side giving the area of a hex as 187.71 miles^2. These are bigger than the kingmaker hexes. A swamp hex can be explored, moving at 20 feet, at a rate of 1.5625 miles^2/hour. This means a swamp hex will be fully explored in just a tad over 5 days. Plains hexes can be explored, at 20 ft, at a rate of 3.125 miles^2/hour. So a plains hex can be fully explored in 2.5 days. A forest or hills hex is explored at a rate of 2.0833 miles^2/hour. A forest or hills hex is fully explored in 3.75 days.