Set in the medieval period around 16th century C.E., all the saline water turns into honey ( avg. viscosity is approximately 10000 centipoise at room temperature). How fast can the medieval people cross it using a transportation(not infrastructure)? (Note: avg. width between ports is 10km and weather is calm all day)
Rules: at least maintain contact with honey 50% of the time in the case of flying and not allowed to traffic honey.