Ek yojana ki length aam taur par lagbhag 13.2 kilometer (yaani kareeb 8.2 mile) mani jaati hai, jo Jain sources mein aksar is duri ke roop mein diya jata hai. Kuch teachings 12–16 kilometer ke aas-paas bhi bol dete hain, lekin sabse prachlit anumaan 13.2 km hai. Digambar aur Shvetambar paramparaon ke beech isme chhoti moti bhinnataen ho sakti hain, par mool arth wahi hai ki yojana ek lambi duri ki ek maap hai jo Jain cosmology/ghatanaon ki vistrit awasthaon ko batati hai. You can read more here