Valmiki Ramayana Sundara Kanda Sarga 39 Shloka 37
Original Shlokaअसकृत्तैर्महोत्साहैस्ससागरधराधरा। प्रदक्षिणीकृता भूमिर्वायुमार्गानुसारिभिः।।5.39.37।।
1 source checked for this shloka
महोत्साहैः by the enthusiastic, वायुमार्गानुसारिभिः following aerial path, तैः by them, असकृत् repeatedly, ससागरधराधरा with the oceans and mountains, भूमिः earth, प्रदक्षिणीकृता has been circumambulated.
"They have often circumambulated the earth including its oceans and mountains through the aerial path with great enthusiasm.