| 680 ft * | 30.48 cm | = 20726.4 cm | 
| 1 ft | 
| Units of measurement | Lengths | 
|---|---|
| Nanometre | 2.07264e+11 nm | 
| Micrometre | 207264000.0 µm | 
| Millimetre | 207264.0 mm | 
| Centimetre | 20726.4 cm | 
| Inch | 8160.0 in | 
| Foot | 680.0 ft | 
| Yard | 226.666666667 yd | 
| Metre | 207.264 m | 
| Kilometre | 0.207264 km | 
| Mile | 0.1287878788 mi | 
| Nautical mile | 0.1119136069 nmi | 
