Unit List of Length
- aln
- angstrom
- arpent
- astronomical unit
- attometer
- barleycorn
- caliber
- centimeter
- chain
- cloth nail
- cloth span
- cubit (Biblical)
- cubit (Greek)
- decimeter
- dekameter
- exameter
- famn
- fathom
- femtometer
- fermi
- fingerbreadth (Biblical)
- foot
- furlong
- gigameter
- hand
- handbreadth (Biblical)
- hectometer
- inch
- ken
- kilometer
- kiloparsec
- league
- light year
- link
- long cubit (Biblical)
- long reed (Biblical)
- megameter
- megaparsec
- meter
- micrometer
- mil
- MIL
- mile (Roman)
- mile (US survey foot)
- mile (US)
- millimeter
- nanometer
- nautical mile
- parsec
- perch
- petameter
- pica
- picometer
- planck
- point
- pole
- reed (Biblical)
- rod
- Roman actus
- Russian archin
- span (Biblical)
- terameter
- twip
- vara castellana
- vara conuquera
- vara de tarea
- yard