CC Madhya 16.40

tāhāñi ārambha kaila kṛṣṇa-saṅkīrtana
nācite nācite cali’ āilā dui-jana
Word for word: 
tāhāñi — on that very spot; ārambha kaila — began; kṛṣṇa-saṅkīrtana — chanting the holy name of Lord Kṛṣṇa; nācite nācite — dancing and dancing; cali’ — going; āilā — reached; dui-jana — both of Them.
Translation: 
Indeed, They began chanting the holy name of Kṛṣṇa on that very spot, and in this way, dancing and dancing, Advaita Ācārya and Nityānanda Prabhu reached Jagannātha Purī.