* Because 方可 is stated, it is regarded as a half round of Tsushima Nanto (Tsushima province) and a half round of Iki, and is expressed as (400 ri X2) (300 ri X2).
※方可とあるので、対馬南島と壱岐をそれぞれ半周したと考え、（四百里×2）（三百里×2）とした。