Superlative form of short: most short.; Least in stature, length or height.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "shortest" in a sentence
"Still the shortest is the one through Los Rodriguez."
"He then cried old clothes about the streets; but not finding any great encouragement in that employment, he was easily drawn in by some wicked people of his acquaintance, to take what they called the shortest method of getting money, which was in plain English to go a-thieving."
"The shortest is 5 days and the longest is 9 days and they are separated by a break of a few days."