Meter (“m”).

Statute mile (“mi”).

Nautical mile (“Nmi”).

U.S survey mile (statute mile) (“survey_mi”).

Inch (“in”).

Yard (“yd”).

Foot (“ft”).

Angstrom (“ang”).

Ell (“ell”).

Light-year (“ly”).

Parsec (“parsec”).

Pica (1/72 inch) (“Pica”).

Pica (1/6 inch) “pica”.