Answer:
We traveled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. How can that be possible?
You can draw me, fire me or fill me in.
Take one royal word in the plural and make it singular by adding one letter
What do you have in December that you don't have in any other month?
In many hallways you would stand, if not with this in hand.
I am a room that has a roof but no walls. What am I?