Those two Brāhmaṇas having departed, Rāvana, the lord of Raksasas, proceeded, at first, by the aerial way, ten thousand leagues.
गताभ्यामथ विप्राभ्यां रावणो राक्षसाधिपः। दशयोजनसाहस्रं प्रथमं तु मरुत्पथम्॥