Symbols:K/Kilometre

Kilometre

 * $\mathrm {km}$

The symbol for the kilometre is $\mathrm {km}$:
 * $\mathrm k$ for kilo
 * $\mathrm m$ for metre.

Also defined as
Some older sources give it as $\mathrm {Km.}$

The $.$ is part of the symbol.