I will follow him to the end of the earth.
"From the end of the earth, we have become almost its center."
If it's to the end of the earth, so much the better.
She would have followed him to the end of the earth if he asked.
They would have gone to the ends of the earth for you.
He would go to the ends of the earth to bring her back.
We could park right there and it felt like the end of the earth.
In other words, we have arrived very nearly at the end of the earth.
The answer, in this case, appears to be the other end of the earth.
She would walk to the ends of the earth for such a man!