Shiva Purana
सहस्रयोजनोत्सेधास्तावद्विस्तारिणश्च ते॥ भारतं प्रथमं वर्षं ततः किंपुरुषं स्मृतम्॥ ८॥
Their height is a thousand Yojanas and their width too is the same. Bharata is the first sub-continent. Then there is the Kimpuruṣa.
english translation
sahasrayojanotsedhAstAvadvistAriNazca te॥ bhArataM prathamaM varSaM tataH kiMpuruSaM smRtam॥ 8॥
hk transliteration by Sanscript