yojan doori mapane ke lie pauranik eekaee hai. 1 yojan doori ko adhikatar vidvanoan ne 8 mil mana hai.
- aisa mana jata tha ki jab senaean lambi doori ki yatra karati thian to yah ek p dav se doosare p dav ki doori thi, jo ek din mean tay ki jati thi.