A Sabbath-day's journey. The distance between the farthest tents in the wilderness and the tabernacle of Moses, a radius of about a mile; this would make the entire encampment to cover a circumference of six miles.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
More on Journey from Infoplease:
24 X 7
Explore , Math Homework Help