| # | Name | Symbol | System | Quantity Type |
| 0 | Angstrom | <an> | Misc | Length |
| 1 | DeviceIndependentPixel | <DIP> | Misc | Length |
| 2 | Metre | <m> | Metric.SI | Length |
| 3 | Thou | <thou> | English | Length |
| 4 | Inch | <in> | English | Length |
| 5 | Foot | <ft> | English | Length |
| 6 | Yard | <yd> | English | Length |
| 7 | Fathom | <ftm> | English | Length |
| 8 | Furlong | <fur> | English | Length |
| 9 | Mile | <mil> | English | Length |
| 10 | League | <league> | English | Length |
| 11 | Cable | <cable> | English | Length |
| 12 | NauticalMile | <nmi> | English | Length |
| 13 | Link | <lnk> | English | Length |
| 14 | Rod | <rod> | English | Length |
| 15 | Chain | <chain> | English | Length |
| 16 | AstronomicalUnit | <au> | Astronomical | Length |
| 17 | LightYear | <ly> | Astronomical | Length |
| 18 | Parsec | <pc> | Astronomical | Length |
| 19 | Cubit | <cubit> | Ancient | Length |