What effect does being slowed have on overland movement in D&D 4e

Question

On page 336 of Heroes of the Fallen Lands it states that if a character tries to carry 20 times their strength score then they are slowed.

I know during combat being slowed means you can only move two squares. The question I have is how does being slowed affect overland movement?

Answer 1

10 miles per day,
1 mile per hour,
100ft. per minute.

I'd point you the the answer to this question which extrapolates the 1 unit of speed = 5 miles per day ratio.

Answer 2

I would say that it reduces your speed by the same proportion. If your base speed is 6 sqrs and your now moving 2sqrs then you're moving at 1/3 speed. Looking at this questions about What is the best way to determine Overland Speed in D&D4e? there are various methods:

• Using Iszis you move at 10 mi/day or 1 MPH or 100 ft/min.
• Using my method we still divide combat speed by 6, to get overland speed in Mi/day so your speed is going to be 2 sqrs/6 = 0.3 sqrs/round. That's because your 6 times slower when moving overland than in combat. To get it into mi/day then you multiply your combat speed by 2, giving you 4 Mi/day