1. Japanese league; ri; old Japanese unit of distance, approx. 3.927 km or 2.44 miles
三里も歩いて、そろそろ腹も減るころだ。After walking a full three ri, I'm about due to get hungry.
2. neighbourhood (under the ritsuryō system; orig. of 50 homes)
3. unit of area (approx. 654 m by 654 m)