a stone's throw

• nearbyAt small distance
• closeNearby or to shut
• short distanceSmall space between points
• walking distanceSpan traversable on foot
• proximityNearness in space

pebble · toss · throw · skip · arm's reach · next door · around the corner · hop · step · spit · near · adjacent · bordering · across the street · within reach · neighboring · close by · earshot

• proximitynear, close, nearby, nearness, proximity
• measurement idiomsinch by inch, give an inch, whole nine yards, by a mile, go the extra mile
• nearnessnear, nearby, close, adjacent, next to