As long as the post office wants to take. Each Post Office only has to sort through at least, 3 feet of mail a day, that may seem like a lot, but it's not. They obviously usually do more, but, they don't have to.
The amount of time it will take to mail a letter from Atlanta, GA to Birmingham, AL will depend on the type of class. If sending the mail first class, the letter should make it to the destination within 3-4 business days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in 3 to 5 days.
First Class Mail is delivered in three to five days.
First class mail delivery generally takes 3 - 5 days.
3-5 days
First class mail is delivered in 3 to 5 days
12 days
First Class Mail is delivered in 3 to 5 days.
First class mail is delivered in 3 to 5 days
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First class mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First Class Mail is delivered in three to five days.
First class mail is delivered in 3 to 5 days