US States with Longest and Shortest Shared Borders
Which pairs of US states share the longest, and the shortest, joint borders? The state names, or the first three letters, or their regular 2-letter abbeviations all work. (For example, if you think "Texas & Maine" is an answer, that can be written TexasMaine, MaineTexas, TexMai, MaiTex, TXME or METX.
If you include DC, its borders with VA and MD would rank 4th and 6th on the short list