A verst (Russian versta, верста)'s an obsolete Russian unit of length. It's defined as being 500 sazhen long, which makes a verst equal to 3500 feet (1.0668 kilometres). In the English language, verst's singular with the normal plural versts. In Russian, the nominative singular's versta, but the form usually used with numbers's genitive plural verst — 10 verst, 25 verst, etc. — whence the English form. A mezhevaya verst (border verst)'s twice as l… (More on Verst)