I ordered a phone handset battery for our home. The order shipped Sept. 7th from the East Coast of the United States. It arrived two days later in Union City, CA which is the town sharing a common border to my town to its south. That means, the battery was on September 9th merely 4.5 miles from my house.
Since then, they have sent it to various locations around the Bay Area as you can see above. The route they have followed has added approximately 40 miles so far and the battery sits in Oakland, which is 15 miles to the North.
I think that if you give an estimated delivery date of 8 days after the item arrives within 5 miles of the ultimate destination, you have to send it around like this to justify the delay.
That’s my theory. Do you have a better one? In the meantime, if they had just left it in Union City, I could have simply walked down and picked it up.