Here's the official hex map of the areas that have been explored. Each hex is 2 miles. What is exposed is where you have explored and passed through and what you may be able to see in the distance (mountains, sea, etc).
A couple points of interest:
0705 (west) - Tomb of the Iron God
0806 (west) - Brakken
0104 - The Pig Witch's pig farm
0308 - The Three Sisters of the Sea
0403 - Temple of Ris'Tari (Crimson Skull adventure)
0503 - Gnarly's Cave
0906 - Caladan
0907 - The Moon Tower
As more areas are explored they will be revealed on this map.
Though you have 'hand-drawn' maps of the lands of Er'ian, the hex maps will be used for me to track time and movement in the wilderness.