Tā kǔkǔ xúnzhǎo de dá'àn yuǎnzài tiānbiān, jìnzàiyǎnqián.
The answer she searched for so hard was far away yet right before her eyes.
Tips
usage
远在天边 almost always appears paired with 近在眼前 ('close at hand') to create the ironic contrast: the thing one is searching for far and wide is actually right in front of them.