within (an) easy walk [(easy) walking distance] of the station
駅から歩いてすぐのところに
within (the) range of one's knowledge
知識の範囲内に
within (arm's) reach
手の届くところに
within 200 meters of the beach
海岸から200m以内で
within a meter either way
(正確な数値から)1メートルの誤差以内に
within a radius of 30 miles
半径30マイル以内に
within a stone's throw of ...
…のすぐ近くに
within a stone's toss
すぐ近くに
within a week
1週間以内に
within and without
内外に[から],内外ともに