If mailed in the morning, it takes one day for a letter to go between Chicago and South Bend. Otherwise, it takes two days.
first class 3 to 5 days
3 days
== ==
A Week Or A Little More.
3 to 5 days
19256
Allow between 3 and 5 days for snail mail to reach that destination from your point.
a week
3 days
1 to 14 days or more
1 to 3 days